Q: A raindrop has a mass of 6.6 x 107 kg and is falling near the surface of the earth. Calculate the…
A: Given data: The mass of the raindrop, m=6.6×10-7 kg
Q: Practice Problem: To set up for another run, you pull the glider back up the track at a constant…
A: Given: To Find: Magnitude of Fa = ?
Q: Using the density table provided in the directions or the density table in the unit's overview, find…
A: Introduction: Density of a matter is defined as mass of matter per unit volume of the matter. The…
Q: How much energy in MeV would be released if all the mass from a 14 u particle was completely…
A: Given, Mass of particle (m) = 14 u m= 14×1.66×10-27 kg { 1u= 1.66×10-27kg } Mass completely…
Q: Two waves, of the same wavelength are travelling in opposite directions. One wave has an amplitude…
A: Given:- Two waves, of the same wavelength, are traveling in opposite directions. One wave has an…
Q: A red cross helicopter takes off from headquarters and flies 75 km at 30 degrees south of west.…
A:
Q: A nucleus of 238 Np captures a thermal 239 Np. neutron to form a nucleus of 239 What is the…
A: Given: Nucleus, N238p Nucleus, N239p To Find: excitation energy in MeV
Q: General Questions: A girl attaches a rock to a string, which she then swings counter-clockwise in a…
A: From the figure it is clear that rock is moving in a horizontal circleSince the rock is moving in a…
Q: A) A constantan wire of length 10 m and having a cross sectional area 1.5x10-4 m² is converted into…
A: Given:- The length of the wire is L = 10 m The cross-sectional area A = 1.5 x 10-4 m2 The number…
Q: A bus is travelling at a constant speed of 20 m/s. A car is 50m behind the bus and begins to…
A:
Q: How much energy is needed to melt 1 kg of ice? Heat of Fusion of water is 333 kJ/kg, melting point…
A: Given: The mass of the ice is 1 kg. The latent heat of fusion is 333 kJ/kg.
Q: In the figure, one end of a uniform beam of weight 220 N is hinged to a wall; the other end is…
A:
Q: A 83.3-N backpack is hung from the middle of an aluminum wire, as the drawing shows. The temperature…
A: Given:- The weight of the backpack is W = 83.3 M The temperature of the wire then drops by the ∆T…
Q: Two magnetic dipoles m1 = m1ˆz and m2 = m2ˆz lie on the z axis, separated by a distance r. Find the…
A:
Q: worker has to move a 17.0-kg crate up a ramp in a warehouse. The ramp has been set at a 25 degree…
A:
Q: Suppose a 500-mL beaker is filled to the brim with ethyl alcohol at a temperature of 5.00°C. You may…
A: a) Write the expression for the change in the volume due to temperature change and substitute the…
Q: An object is placed 30 cm to the left of a converging lens of focal length 60 cm. A diverging lens…
A: Solution:-
Q: What is the mass of 15m^3 of methylated spirit whose relative density is 0.8?
A: Given, Volume = 15 m3 Relative density = 0.8 Density of water = 1000 kg /m3 Mass = volume×density…
Q: Learning Goal: To practice Problem-Solving Strategy 18.1 Ideal Gases. Lethal concentrations of gases…
A: Given: Initial pressure of chlorine, pi = 129 atm Initial volume of chlorine, Vi = 0.900 L Final…
Q: On the diagram above extend each force of gravity vector so that it reaches the floor. The "pivot"…
A:
Q: Helium (He), a monatomic gas, fills a 0.036 m³ container. The pressure of the gas is 5.3 × 105 Pa.…
A: The internal energy of a gas is given by the formula: U=pV, where p is the pressure of the gas and V…
Q: Case 2: Painters on a Scaffold Two painters with different masses are standing on a scaffold of a…
A: Given: Mass of object 1, m1=350 g Mass of object 2, m2=181 g Mass of stick , M=100 g Location of…
Q: A force acting on a particle moving in the xy plane is given by F = (2yî + x²ĵ), where F is in…
A:
Q: A block of weakly-conducting material with conductivity sigma has two pieces of metal embedded…
A:
Q: Explain why electrical conductivity in semiconductors depends more on temperature than electrical…
A:
Q: [first] Question: (refer to the photo below) Keep plate separation plate and area plate constant.…
A: Given: Plate separation, d = 7.4 mm Plate area, A = 280 mm2 Capacitance, C = 0.34 pF Voltage, V =…
Q: Block A ( mass 2.25 kg) rests on a tabletop. It is connected by a horizontal cord passing over a…
A:
Q: Sirius B is a white star that has a surface temperature (in kelvins) that is four times that of our…
A:
Q: A spring is hung from the ceiling. A 0.449-kg block is then attached to the free end of the spring.…
A:
Q: Is there more than one way to get two objects with identical masses to balance? How? Provide an…
A: Introduction:- Yes We Can balance two objects of identical masses, we have many ways to balance the…
Q: Bryce, a mouse lover, keeps his four pet mice in a roomy cage, where they spend much of their spare…
A:
Q: A plane is travelling horizontally at 1500 km/h. A rocket is fired horizontally ahead from the…
A: Given that A plane travelling horizontally at a speed of (vP) =1500km/h A rocket is fired from the…
Q: A 0.650 kgkg block is attached to a spring with spring constant 14.0 N/mN/m. While the block is…
A: Given data: The mass, m=0.650 kg The spring constant k = 14 N/m The speed v1 = 46 cm/s The block…
Q: i am not getting 14.46 can u please verify that is the answer?
A:
Q: A) A constantan wire of length 10 m and having a cross sectional area 1.5x10-4 m² is converted into…
A: It is given that: The wire is L=10 m long, and has a cross-section area of A = 1.5 x 10-4 m2. The…
Q: A 4.40 mm diameter hole forms in the bottom of a very large cylindrical water tank with an…
A: Given: Diameter of hole in bottom = 4.40 mm= 44 cm Diameter of tank = 4.62 m= 462 cm height of water…
Q: In the figure, block 1 has mass m₁ = 460 g and block 2 has mass m2 = 500 g, and the pulley, which is…
A:
Q: What would the BEN in MeV be for a nucleus with 94 protons, 149 neutrons and an atomic mass of 223.1…
A:
Q: in the future. EXAMPLE 5.1 One-dimensional equilibri23 22 Now let's apply the problem-solving…
A:
Q: A lost shipping container is found resting on the ocean floor and completely submerged. The…
A: The balloon-container will rise when the combined mass of water displaced by the balloon and…
Q: Question 3. You got your car stuck and don't have a jack to get it un stuck. In your car you happen…
A:
Q: unknown substance 911 ا دعا و Lisht enters aplece of glass from air at an angle of incidence of 53.6…
A:
Q: 4.0 kg block (m1) moving to the right at 6.0 m/s collides elastically with a 2.0 kg block (m2)…
A: Given: The mass of the first block is 4 kg. The initial velocity of the first block is 6 m/s in the…
Q: 90.0 kg fullback running 36.9° north of east with a speed of 5.00 m/s is tackled and held onto by an…
A:
Q: consider the quarks inside of a hadron. In a proton at one certain moment, the down quark has a…
A: The answer is one is red and one is green Explanation: one is red and one is greenIf the down quark…
Q: bconline.broward.edu An apple is 20 cm in front of a convex lens of focal length 75 cm. a) Where is…
A:
Q: 3. A block with a mass of 5kg is given a kick up a ramp angled at 35° such that its initial speed is…
A:
Q: A partly-full paint can has 0.515 U.S. gallons of paint left in it. (a) What is the volume of the…
A: Given- Volume of the paint Left is V = 0.515 US gallons. Area of the wall A =…
Q: The solution of the equation of motion of the d²x k damped oscilator b dx m dt dt² m (where b is the…
A: The equation of motion for a damped oscillator is given as:d2xd2t=-kmx-bmdxdt The solution for the…
Q: The figure below represents a bicycle wheel comprised of a rim with a radius of R = 0.5 m and mass…
A: (a) The center of mass of a system of bodies can be calculated by the relation: MtotalrCM=∑i=1Nmiri,…
7.A car at rest accelerates at 6 m/s2. How far (in meter) does it travel in the first 3 seconds?
8.A car engine with engine efficiency 40% burns gasoline and does 500 Joule work to drive the car. How much heat (in Joule) is produced from gasoline burning (hot source)?
9.The specific heat of water is 1.0 cal/gram oC. 100 gram hot water at 100 oC is mixed with 300 gram cold water at 20 oC. What is the final equilibrium temperature (in oC) of the mixed water?
complete questions answrs please
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- Suppose you require 2500 food Calories per day. a. What is your average power, in watts? b. How much energy, in joules, do you require from food in a year? Counting all forms of energy (such as gasoline, electricity, and energy for heating), the average person consumes about 350 billion joules of energy each year. Compare this value to the energy needed from food alone. a. What is your average power, in watts? Approximately 121 watts (Round to the nearest whole number as needed.) b. The energy required from food is approximately billion joules per year. (Round to the nearest tenth as needed.)13. The coyote is driving a car travelling at 12 m/s chasing the road-runner. The coyote breaks the steering wheel when the road-runner takes a left turn. The coyote applies the breaks with a deceleration of 0.5 m/s². How long does it take the car to come to rest?. 14. How much heat is required to warm 34 kg of water by 27 °C? (constant: specific heat for water is 4186.0 J/kg°C)7. How much thermal energy do you need to raise 1.0 kg of water at room temperature 35 °C to boiling? The specific heat of water is 4190 J/kg-K. * A. 136 kilojoules B. 272 kilojoules C. 54 kilojoules D. 1416 kilojoules O E. 4190 kilojoules
- 1.) A typical person has an average heart rate of 69.0 beats/min. Calculate the given questions. How many beats does she have in 7.0 years? How many beats in 7.00 years? And finally, how many beats in 7.000 years? Pay close attention to significant figures in this question. 2.The specific heat of a certain type of cooking oil is 1.75 cal/(g ·°C). How much heat energy is needed to raise the temperature of 2.75 kg of this oil from 23 ∘C to 191 ∘C? 3.) A 232 mL cup of whole milk contains about 27 mg of cholesterol. Express the cholesterol concentration of the milk in kilograms per cubic meter (kg/m3). 4.) Convert the volume to its equivalent in milliliters. 33.0uL=mL1.An electric kettle transfers 900 000 J of energy to some water in 10 minutes. (a) Estimate the power of the electric kettle. (b) How long does it take to supply 1 500 000 J of energy to heat some water? 2.Energy is measured in (a)__________________, written as J. 2. The energy transferred per unit time is called (b)__________________. Its SI unit is (c)__________________, written as W. 3. (d)_______________________ (kW h) is also a unit of energy which is more common in practical use. 1 kW h is equal to (e)_______________ J. 4 The electrical energy supplied to an electrical appliance can be measured using a (f)_______________________ (readings in J) or a (g)_______________________ (readings in kW h). 6.Heater A transfers 500 kJ of heat in 30 s while heater B transfers 0.8 MJ of heat in 0.75 min. Which heater transfers heat more quickly? Explain your answer with calculations.1. A 55 kg child on a water slide passes point A at 8.3 m/s. As the child travels from A to B, 3,600 J of heat energy is created because of friction. What is the child's speed at B? 21 m 8.3 m/s
- 3. An object has a kinetic energy of 25 J and a mass of 34 kg, how fast is the object moving? 4. How much PE of a 10,000 kg water stored in 12 m above the ground?1. How long (in seconds) will it take to heat 40 kg of water from 40°C to 80°C with a 20-kW immersion heater? Assume no energy is lost to the environment and specific heat of water is 4.186 kJ/kgoC. 2. The heat of vaporization of water is 2260 kJ/kg and the heat of fusion of water is 335 kJ/kg. Use the specific heat of water is 4.186 kJ/kg·oC 2a) How much energy (in kJ) will it take to raise the temperature of water (15 kg) from 0°C to 100oC? 2b) How much energy (in kJ) would it take to then completely convert the water to steam? 3. You want to raise the temperature of 22kg of water from 60°C to 95°C. If electricity costs $0.08/kWh, how much would it cost you to use an electric heater for this process? Use the specific heat of water is 4.186 kJ/kgoC and 1 kJ = 0.00028 kWh.You propose to climb several flights of stairs to work off the energy you took in by eating a 900-calorie hot fudge sundae. How high must you climb? Assume that your mass is 60.0 kg. Note food calorie=1kcal.A. 4151 m B. 1572 m C. 6410 m D. 8423 m
- How much heat is required to raise the temperature from 30 °C to 300 °C of a iron skillet of mass 1.000 kg? The specific heat of iron is 0.451 J/g °C. a.121 J b.451.3 KJ c.242.8 KJ d.121.8 KJ8. A farrier left a metal bar in a room of constant temperature of 0°C. The temperature of the metal bar drops from 120°C to 55°C after 25 minutes. In how many minutes will the metal bar continue to cool from 55°C to 50°C? * O A. 50. 3081 minutes B. 5.0308 minutes O C. 30. 5481 minutes O D. 3.0548 minutesIt is not unusual for a 1000-kg car to get 30 mi/gal when traveling at 60 mi/h on a level road. A. If this car makes a 200-km trip, how many joules of energy does it consume?Note that 1.0 gal of gasoline yields 1.3 ×109 J (although this can vary)? B. What is the average rate of energy consumption during the trip?