How fast must a 3000-kg elephant move to have the same kinetic energy as a 65.0-kg sprinter running at 10.0 m/s?
Q: A contestant in a winter sporting event pushes a 45.0-kg block of ice across a frozen lake as shown…
A: We have to find the force exerted to keep the block moving.
Q: According to what you have learned from Ch. 11 of the text book, explain a) why on a clear day the…
A: Sky contains no of particles like dust, air molecules and water vapour.When sunlight which contains…
Q: A coil of wire has a cold resistance (20°C) of 0.25 2 and the temperature coefficient is found to be…
A: The resistance of an object depends on its length, area, and an intrinsic property of the material…
Q: Q: A 15 kn resistor and a capacitor are connected in series, and then a 12.0 V potential difference…
A: Given: Here, the given details are, The given resistor value is, R=15kΩ. And the potential…
Q: An circuit connected to an AC source has a load of resistance R. When time is 7.00 ms the current…
A: In an AC circuit, the current will frequently change direction. The frequency of an AC circuit is…
Q: Describe the energy transformations that occur when a roller coaster car is pushed by a compressed…
A: We are given a roller coaster car which is released from a compressed spring. The whole track is…
Q: The mass of the fuel in a nuclear reactor decreases by an observable amount as it puts out energy.…
A: As per the theory of relativity, mass can be created directly from energy and energy directly from…
Q: If the force of the fan pushes the air backward with 150 N, what is the forward force of the air on…
A: We are given force of fan on the air. We are also given the mass of boat. We know that for every…
Q: How can we apply the knowledge that was produced by the Large Hadron Collider to our current…
A: There are various elementary particles present and also their antiparticles. We have 4 fundamental…
Q: A 30-kg child rides in a 30-kg toy car with speed of V=12 m/s at the top of a hump that is in the…
A: We are given mass of car and child. Hence we know the combined mass of system. We are also given the…
Q: Calculate the velocity a spherical rain drop would achieve falling from 5.00 km (a) in the absence…
A:
Q: Three conclensees of capacitors 8 μF, 8 UF f 4 μF are connected in secies & a potential difference…
A: We need to compute-Charge on 4 μF (Q3)=?Potential difference across 4 μF (V3)=?The data given…
Q: x. 6: A rectangular coil of length 0.5 m and breadth 0.2 m has a resistance of 10 2. The coil is…
A: We need to compute-(i) EMF induced (e)=?(ii) Current induced (I)=?The data given as-length (l)=0.5…
Q: Q5. A car has an acceleration of 5.0 m/s² and starts from rest. How far does the car travel in the…
A: The distance travelled is given by the equation, s=ut+12at2 Here, u=initial…
Q: A symmetric biconvex lens of radius of curvature R and made of glass of refractive index 1.5, is…
A: We are aware that, as illustrated in the question, a plane mirror is put on top of a layer of liquid…
Q: 4. In the following circuit, calculate (i) the capacitance of the capacitor, if the power factor of…
A: We are aware that in the circuit below, if the power factor of the circuit is one, we must determine…
Q: 4. The wheel is composed of a 15kg hoop stiffened by four thin spokes, each with a mass of 2kg and…
A: We are given the applied force. We are given mass of hoop and spokes. We hence know the total mass…
Q: 900gpm of water flows through a 1000ft long, 8 inch segment of unlined Class 52 ductile bron pipe…
A: Given: The velocity of water flow(v)= 900 gpm= 0.9 kgpm Length of class 52 iron (L1)=1000 ft=304.8 m…
Q: A vehicle moving at 40km/h speed was stopped by applying brake and the length of the skid mark was…
A: Given: Vehicle moving with initial velocity, u=40 kmh Length of skid mark, L = 12.2 m Average skid…
Q: The relativistic redshift is parametrized by z and given by 41-1 do-de Xe In terms of the scale…
A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…
Q: Railroad tracks follow a circular curve of radius 500.0 m and are banked at an angle of 5.0°. For…
A: We have to determine for trains of what speed are these tracks designed.
Q: 26. A resistor and inductor are con across an ac generator. The emf of the generator is given by…
A: Given, The emf of the generator, v(t)=V0cos(ωt) V0=120V Angular frequency, ω=120π rad/s Resistance,…
Q: Q14. A file cabinet of mass 80 kg is at rest on a ramp tilted at 10° with horizontal. What is the…
A: Given Mass of cabinet is m=80 kg Acceleration due to gravity is g=10 m/s2. Free body diagram:
Q: QUESTION 2 Which of the following gives the nearest value for the acceleration at initial condition,…
A: We are given mass of block. We are also given angle of inclination. We are also given coefficient of…
Q: A uniformly loaded rectangular crate is released from rest in the position shown. Assuming that the…
A: We first find the initial momentum of the system. We then find the final momentum. The change in…
Q: A conducting rod is moving with a on two parallel conducting bars, velocity as shown in the figure.…
A: Concept: To determine the direction of the Magnetic Force we will use the Magnetic Force Formula…
Q: : Two resistances prepared from the wire of same material having diameters in the ratio 3 : 1 and…
A: We need to compute-Distance of null point from left end of wire.The data given as-Diameter…
Q: A clock with a brass pendulum shaft keeps correct time at a certain temperature. a. How closely must…
A:
Q: A0.20 kg ball is dropped at a speed of 16 m/s from a 22 m cliff. What is its potential energy at the…
A: We are given mass of ball. We are also given its initial height. The potential energy is dependent…
Q: At the pharmacy you see your own reflection in the security mirror located in a corner of the store.…
A: Concept:To determine the Radius of the Curvature and Magnification we will use certain Formulas…
Q: A 0.47 m copper rod with a mass of 5.00x10-2 kg carries a current of 13 A in the positive x…
A: Given: The given length is, L=0.47 m. And the mass is m=5.00×10-2 kg. Then the given current is I=13…
Q: A silica glass is formed at a temperature of 700 °C with a viscosity of 106 P. The activation energy…
A: Viscosity of silica glass are η =A expERT (1)ERT = log ηAT = ER log…
Q: One mole of carbon-12 has a mass of 12.00 grams. What is the mass of a 12C atom? Multiple Choice O…
A: Given data, Mass of 1 mole of carbon is 12 gram.
Q: A box of mass 44 kg is placed on a horizontal floor whose coefficient of friction is 0.14. It is…
A:
Q: before and after are given, and no other unbalanced forces act on these blocks. The collision is 8)…
A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…
Q: Case a: Ramp Car Final Speed (after collision Launch 1 Distance (m) Time (s) Speed (m/s) 0.250 0.96…
A: We are given collision case where 2 cars collide. One is ramp car and other is victim car. We have…
Q: A 244-turn circular coil has radius of r = 7 [cm] and a resistance of R = 9 [Q]. The coil is sitting…
A: Faraday's Law of Electromagnetic induction says that "The rate of change of magnetic flux linked…
Q: Two twin sisters, Ana and Bia, compare their ages in different travel situations between SP and a…
A: Given: distance between the cities=L
Q: In the figure below, a 1400 kg block of granite is pulled up an incline at a constant speed of 1.70…
A: Given: In this question, the given details are, The given figure is, A m=1400 kg block of granite…
Q: 10 1022 1021 10 1019 10 1017 10% 10¹5 104 103 1012 10 1010 10° 10 107 10 105 104 10 10² 10 10-14…
A: Given ranges are of electromagnetic spectrum of light. Depending upon frequency and wavelength,…
Q: An electron accelerated from rest through a voltage of 790 V enters a region of constant magnetic…
A: Given: Here, the given values are, The voltage value is ∆V=790 V . The electron follows a circular…
Q: A rod of length 2 m is at a tem- perature of 20°C. Find the free expansion of the rod, if the…
A:
Q: A sinker of weight W, has an apparent weight W, when placed in a liquid at a temperature T₁ and W₂…
A:
Q: How fast must a 3000-kg elephant move to have the same kinetic energy as a 65.0-kg sprinter running…
A: We have to determine the speed of an elephant. We know the given data is given by, Mass of elephnt…
Q: (c) Charge constant condition, Qo, with metal and insulator. Draw Q and E profiles. Be precise about…
A: The capacitance of the capacitor is given by: C=QV Given: Charge on the capacitor is Q. The area…
Q: (a) If half of the weight of a small 1.00 × 10³ -kgutility truck is supported by its two drive…
A: We need to determine the maximum acceleration a unity truck can reach on a dry surface.
Q: Which of the following statements contradicts one of Maxwell's equations? O A changing magnetic…
A: Maxwell was the person who combined together the Gauss law, law of electromagnetic induction…
Q: Q9. A Martian lander is approaching the surface. It's slowing its descent by firing its rocket…
A: Solution:-Given that
Q: 21-41+5k; i-mj+k, and 3 1 + 21-5k are coplanar_
A: In order to be coplanar vectors, their scalar tripple product must be zero. We can find scalar…
Q: Electromagnetic radiation is emitted by accelerating charges. The rate at which energy is emitted…
A: Given Data: Let us consider the given data, KE=5.6 Mevr=0.580 m
need anwer this question asap plz...
Trending now
This is a popular solution!
Step by step
Solved in 2 steps