Find the work done in joules by gravity as an object of the mass m-6 kg is raised up at constant speed from a height h1=32 m to a height h2369 m. Consider g = 10 m/s
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Q: A tennis ball of mass m = 0.089 kg is thrown straight up with an initial speed v0 = 11 m/s. Let the…
A: Given dataThe mass of the ball is given as m = 0.089 kg.The initial speed of the ball is v0 = 11…
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Q: 21. A 0.600-kg particle has a speed of 2.00 m/s at point A and V kinetic energy of 7.50 J at point .…
A: Solution:-(21) Part (a):- We know , kinetic energy k = (1/2)×m×v2 Then Ka= (1/2)×0.600×(2)2 […
Q: A large cruise ship of mass 6.10 x 107 kg has a speed of 11.8 m/s at some instant. (a) What is the…
A: Given: The mass of ship is m=6.10×107 kg. The speed of the ship is v=11.8 ms. The displacement of…
Q: In the figure, a frictionless roller coaster car of mass m = 819 kg tops the first hill with speed…
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Q: 102 kg man is skiing across level ground at a speed of 9.5 m/s when he comes to the small slope 1.4…
A: Given:- The mass of the person m = 102 kg The speed of the skis at the ground level vg = 9.5 m/s…
Q: An object of mass m = 3 kg is released from rest at the top of a frictionless inclined plane at…
A: Given:- The mass of the block m = 3 kg, it is on a point A initially in the rest. The work done on…
Q: A single force acts on a 3.0 kg particle object whose position is given by x= 3.0t-4.0t^2+.5t^3,…
A: The mass of the particle m=3.0 kg The position of the particle x=3.0t-4.0t2+.5t3 The velocity of the…
Q: speed at x = -4.5 m is v = 22.C
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Q: A single force F(x) = -4.0x (in newtons) acts on a 1.0-kg body. When x = 3.5 m, the speed of the…
A: Given Data: Fx=-4x Nm=1.0 kgSpeed of the body at x=3.5 m is, 4.0 m/s
Q: A large cruise ship of mass 6.00 x 10? kg has a speed of 12.8 m/s at some instant. (a) What is the…
A: a) Let's use the kinetic energy relation in terms of mass and velocity. Ek=12mv2=12×(6.00×107…
Q: helicopter lifts a 80 kg astronaut 17 m vertic (a) How much work is done on the astr (b) How much…
A: GivenMass of Astronaut, m=80 kgDistansed moved vertically, d=17 mAcceleration of Astronaut, a=g10
Q: An object with mass ? = 2 ?? is released from rest at a height ℎ = 6 ? from the top of an inclined…
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Q: A toy rocket weighing 3 lbs holds 1 lb of compressed water as fuel. As the rocket rises it loses…
A: The mass of toy rocket is M=3 lbs. The mass of water fuel is m=1 lbs. The height at which rocket…
Q: A large cruise ship of mass 6.60 ✕ 107 kg has a speed of 12.8 m/s at some instant. (a) What is the…
A: a) we know that Kinetic energy = 0.5 mV^2 Substituting values we get KE = 5.4 x 109 J
Q: The engine of a Honda Civic has a power of 1.32 x 105 W (176.88 hp). a) How much work does this…
A: Power is defined as the energy transferred per unit time. Since this energy is consumed in work…
Q: A large cruise ship of mass 6.30 x 107 kg has a speed of 10.2 m/s at some instant. (a) What is the…
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Q: A large cruise ship of mass 6.60 ✕ 107 kg has a speed of 10.6 m/s at some instant. (a) What is the…
A: mass, m = 6.6 ✕ 107 kg speed, v = 10.6 m/s displacement, s = 2.6 km = 2600 m
Q: You carry a 21.0 kg bag of groceries 2.0 m above the level floor at a constant velocity of 71 cm/s…
A: No work is done i.e. work done is 0.
Q: A worker pushes a wood crate of mass 14 kg across a rough concrete floor with a constant horizontal…
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Q: A can of sardines is made to move along an x axis from x = 0.26 m to x = 1.11 m by a force with a…
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Q: A large cruise ship of mass 6.80 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) What is the…
A: a)Kinetic energy is,
Q: A large cruise ship of mass 6.50 × 107 kg has a speed of 12.0 m/s at some instant. (a) What is the…
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- The driver of a 1750 kg car, initially traveling at 10.6 m/s applies the brakes, bringing the car to rest in a distance of 21.0 m. Find the net work done on the car? Find the magnitude and direction of the force that does this work?A can of sardines is made to move along an x axis from x = 0.20 m to x = 1.24 m by a force with a magnitude given by F = exp(– 7x), with x in meters and F in newtons. (Here exp is the exponential function.) How much work is done on the can by the force?A large cruise ship of mass 6.30 ✕ 107 kg has a speed of 13.0 m/s at some instant. (a) What is the ship's kinetic energy at this time? (b) How much work is required to stop it? (Give the work done on the ship. Include the sign of the value in your answer.) (c) What is the magnitude of the constant force required to stop it as it undergoes a displacement of 2.10 km?
- A skier of mass 107 kg travels down a frictionless ski trail. (a) If the top of the trail is a height 186 m above the bottom, what is the work done by gravity on the skier? J (b) Find the velocity of the skier when he reaches the bottom of the ski trail. Assume he starts from rest. m/sA 4.8 kg box has an acceleration of 1.6 m/s? when it is pulled by a horizontal force across a surface with 4, = 0.50. Find the work done over a distance of 22 cm by the following forces. (Enter your answers in joules.) (a) the horizontal force (b) the frictional force (c) the net work (d) What is the change in kinetic energy of the box?A basketball player throws a basketball m = 1 kg straight up with an initial speed of v0 = 9.5 m/s. The ball leaves his hand at shoulder height h0 = 2.2 m. Let gravitational potential energy be zero at ground level. Give the total mechanical energy of the ball E in terms of maximum height hm it reaches, the mass m, and the gravitational acceleration g.
- To compress a spring 5.0 cm from its unstretched length, 18.0 J of work must be done. (a) What is the magnitude of the force needed to stretch it to 7.5 cm? (b) How much work must be done in stretching this spring 7.5 cm from its unstretched length?A helicopter lifts a 65 kg astronaut 18 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g/10. (a) How much work is done on the astronaut by the force from the helicopter? (b) How much work is done on the astronaut by her weight? (c) What is the kinetic energy? (d) What is the speed of the astronaut just before she reaches the helicopter? m/sConsider a particle on which a force acts that depends on the position of the particle. This force is given by F→1 = (2y)i ^ + (3x)j ^ . Find the work done by this force when the particle moves from the origin to a point 5 meters to the right on the x-axis.
- Find the work W done by a force F=31i + 7j Ib in moving an object in a straight line from point A (0, 0) to point B (5, 3). Assume that the units in the coordinate plane are in feet.A car with the mass m=1600kg coasts down an incline from an initial height of h=7m with an initial speed v0=15m/s. When it reaches the bottom of the incline its speed is 20m/s. How much work did friction do on the car? This is the full question. No acceleration given. Assistance please.A 4.8 kg box has an acceleration of 1.8 m/s? when it is pulled by a horizontal force across a surface with 4, = 0.50. Find the work done over a distance of 22 cm by the following forces. (Enter your answers in joules.) (a) the horizontal force (b) the frictional force (c) the net work (d) what is the change in kinetic energy of the box?