An observer measured the angle of elevation of a mountain from a point on a level ground as 8.23 degrees. Moving 450 meters closer to the mountain, the angle of elevation is 9.44 degrees. All points are on the same vertical plane. What is the height of the mountain?

Q: A submersible is sent to explore the bottom of a lake that is 570 m deep. The density of water is…

A: Given  depth (h) = 570 m  density of water (ρ) = 1000 kg/m3  Atmospheric pressure (Po) = 101.3 kPa…

Q: 3) Your friend estimates that they have a momentum of 5,000 kg-m/s when they walk at a regular pace.…

A: Introduction: Momentum is defined as product of mass of an object and its velocity. Momentum (P) = m…

Q: You are given a cart with mass m and initial velocity v at the top of a ramp that is h meters high.…

A: Given, m= 250 kg  v= 10m/s  h= 100m

Q: . A railroad car of mass 2.00 × 10¹ kg moving at 3.00 m/s col- lides and couples with two coupled…

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Q: (2) Two point charges lie along the x-axis as shown in the figure, q₁ = +Q is at the origin, q₂= +4Q…

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Q: A cylindrical resistor of radius 3.0 mm and a length of 3.0 cm has a resistivity of 2.6 x 10-3 Ωm.…

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Q: Use the worked example above to help you solve this problem. An Eskimo returning from a successful…

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Q: A spring lift (I) context You are working on a prototype spring lift. A block is placed at the end…

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Q: Arlene is to walk across a "high wire" strung horizontally between two buildings 10.0 m apart. The…

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Q: A hot water tap delivers water at the rate of 20 kg per minute at 800C. A cold water tap delivers…

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Q: Calculate the average Net vertical force during the following landing, without using equations of…

A: Given data, Mass m=50 kg Height h1=2.4 m Initial speed u=0 m/s

Q: (b) What is the power output of the student?

A: Solution:Given:W = weight of student = 557 N h = height climbed by student = 2.7 m t = time taken by…

Q: An object is placed against the center of a thin lens and then moved away from it along the central…

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Q: After a point charge, +7Q, is placed inside the cavity of a conductor, electrostatic equilibrium is…

A: This question belongs to electrostatic and basically on charging of a conductor using induction.

Q: A student with a mass of 58.0 kg is walking at a leisurely pace of 1.80 m/s. What is the student's…

A: Kinetic energy of object having mass m and speed v is given asEk = 12mv2Mass of student m= 58…

Q: Current Attempt in Progress Flying Circus of Physics Party hearing. As the number of people at a…

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Q: For a projectile launched at an angle on a horizontal surface, the time to go up the maximum height…

A: let an object is thrown with velocity u  at an angle θ with horizontal.let there be no air…

Q: please sketch a free body diagram of where f3 would be from the black dot

A: From solution it is clear that f3  resultant of force f1 and f2 . It is given that f1 is in upward…

Q: Answer the question in full details, thank you very much, Answer on the correct significant figures:…

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Q: There are forces acting on the horizontal motion of a projectile. T F

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Q: Two in phase sources create circular waves of wavelength lambda, and the interference pattern shows…

A: We have been given two sources in phase with each other. The dotted lines represent constructive…

Q: An object weighing 4 kg is on a rough surface. A force F is applied to the object, calculate the…

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Q: In (Figure 1), C₁ = 3.50 μF and Vab = 160 V. The charge on capacitor C₁ is 150 μC and the charge on…

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Q: A pair of adjacent coils has a mutual inductance of 1.5 H. If the current in one coil changes from 0…

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Q: Shown in the figure below is a block and track system. All locations indicated by solid black lines…

A: Given, x1=0.5m  m= 1.5kg  k= 88.7N/m  Y3= 0.54m  µ= 0.110

Q: orium sition -3 -2 -1 4 period of the motion T? (s) 3 2 0 -1 -2 -3 -4 acceleration (ms2)…

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Q: A sled and rider with a combined weight of 73 kg are at rest on the top of a hill 21 m high. (a)…

A: Here given Mass (m) = 73 kg Height(h) = 21 m , g = 9.8 m/s2 Total energy = ? We know Total energy  =…

Q: There is zero vertical velocity in the highest point in a projectile trajectory. T F LL

A: Given data:  A projectile motion Required: The vertical component of the velocity at highest point

Q: A metal cube with sides of length a is moving at velocity =voj across a uniform magnetic field B =…

A: 1) Free charges inside a conductor only moves when there is applied force due to electric field. 2)…

Q: A single ionized atom, that is deficient one electron, is traveling at in a straight line when it…

A: Given: The mass of the object is 6.68x10-27 kg. The strength of the magnetic field is 0.75 T. The…

Q: A dust particle with a mass of 3.0 x 10-8 kg and a positive charge of 2.0 nC is traveling at a speed…

A: Given: The mass of the particle is 3x10-8 kg. The chanrge on the particle is 2 nC. The charge on the…

Q: Let's now work through an example using conservation of energy. Let's say a small, rubber ball with…

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Q: P2- 2.0 atm P 0 0 657°C 37°C Isothermal V3 V(L) The figure (not to scale) shows a pV diagram for 1.1…

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Q: Assume that you measure the time of flight as 1.32 seconds. If the horizontal distance travelled…

A: Let the initial speed be u. For motion in x-direction we have,…

Q: Note: k = electric constant = 9×10⁹ Nm²/C², e = 1.6×10-¹⁹ C, g=10m/s², &=8.85×10-¹²[C² /N.m²] Q.1…

A: Given, q1=q2= 1pC   d= 1mm

Q: A disk 7.90 cm in radius rotates at a constant rate of 1 150 rev/min about its central axis. (d)…

A: Given, Revolution per second made by disc, N=1150 rev/min Time, t=1.90 s

Q: Two parallel wires that are separated by a perpendicular distance of 2.0 cm carry currents of 5.0 A…

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Q: horizontal circular platform rotates counterclockwise about its axis at the rate of 0.851 rad/s.…

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Q: 11. A ball of mass 0.150 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor…

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Q: When tightening a bolt, you push perpendicularly on a wrench with a force of 166 N at a distance of…

A: Given data:  Angle (θ) = 90°, perpendicularly Force (F) = 166 N Distance (r) = 0.140 m Required: The…

Q: Manila and General Santos are about 1000 miles apart. A car leaves Manila to General Santos at the…

A: Given data:  The car and train travel towards each other  Total distance (d) = 1000 mi Speed of the…

Q: An estimated force–time curve for a baseball struck by a bat is shown in the figure below. Let Fmax…

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Q: here does the ignition gle start to be calculate ee-phase rectifier circ=

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Q: 4.0-cm wide plastic film being wrapped onto a 2.0-cm diameter roller that turns at 98 rpm. The…

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Q: A gardener is watering her flower garden with a 2cm diameter water hose at  the speed of 20 ms-1.…

A: Given data:  Diameter (d) = 2 cm = 0.02 m Speed (v) = 20 m/s Volume (V) = 5 m3 Required: The flow…

Q: Question 2 36 cm. 1) 2) 3) 5) k,= In the formula sheet provided which equation can be used to…

A: The stiffness of the spring is 187.5 N/m and the relaxed length of the spring is 0.44 m.

Q: Shown in the figure below is a block and track system. All locations indicated by solid black lines…

A: Given, v1= 1.703m/s  Y1= 0.181m  m= 0.92 kg  k= 24N/m  µ= 0.110

Q: radioactive isotope decays by emersion of a beta particle. Which of the following about beta…

A: Beta particles are the fast-moving electrons with high energy emitted by the radioactive decay of…

Q: Find the equivalent capacitance of the circuit below.

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Q: hree small objects are arranged along a uniform rod of mass m and length L: one of mass m at the…

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Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.