A man exerts a force of 2 KN on a boulder but fails to move it. Calculate the work done. O a. Zero O b. 0.6 m O c. 6.0 m O d. 0.6 cm
Q: An accelerating object of mass m=20 kg is fired with an initial speed v;=3 m/s at a starting point.…
A: Given: mass of an object, m = 20 kginitial speed, vi = 3 m/sfinal kinetic energy, KEf = 122 J
Q: 8.0 ms. The c inst air resistanca
A: Given: Mass of an object is 0.3 kg Velocity is 8 m/s Height is 1.9 m
Q: In the figure shown, if the mass (m=9 Kg) is moving with constant speed and traveled a distance d=10…
A: The mass m=9kg The distance d=10m F=27N
Q: A small plane tows a glider at constant speed and altitude. If the plane does 2.00 x 105J of the…
A:
Q: A man is carrying a mass m on his head and walking on a flat surface with a constant velocity v.…
A: According to question we need to find work done against gravity.
Q: 6. A child does 350 J of work to lift a box from the ground up to his tree house at a steady speed.…
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Q: You toss a 0.10-kg ball straight up at a speed of 2.0m/s. How much work is done by gravity when the…
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Q: An accelerating object of mass m=20 kg is fired with an initial speed v;=10 m/s at a starting point.…
A:
Q: 7. What does "negative work" mean? O A. The applied force varies with position. O B.The applied…
A: Given Work is negative We have to choose the correct option from the given options
Q: An applied force of ? = −6 ? ?− 2 ? ? caused the object to moves a displacement of? = 3 ? ?+ 1 ? ?.…
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Q: As a ball falls under the influence of gravity, does gravity do positive work or negative work?…
A: Given data: A ball falls under influence of gravity Required: The work done by gravity is negative…
Q: A 2.00-kg (20.0-N) stone is dropped from a height of 5.0 m, and strikes the ground with a velocity…
A: Given data: Mass, m=2 kg Height, h=5 m Velocity, v=8 m/s Question is to find the work done by the…
Q: How much work is needed to change the speed of a 2375 kg sport utility vehicle from 15.0 m/s to 60…
A: Given data: Mass (m) = 2375 kg Initial velocity (Vi ) = 15.0 m/s Final velocity (Vf) = 60 m/s…
Q: done
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Q: A constant force with a magnitude Facts on an object while the object moves along a straight path a…
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Q: 1. A 5.5 kg bird is flying 12 m above the ground. Potential energy of bird is calculated to be ? use…
A: Given that,Mass of bird : m = 5.5 (kg)Height on which bir flying : h =12 (m)Here we need to find the…
Q: An accelerating object of mass m=18 kg is fired with an initial speed v=9 m/s at a starting point.…
A:
Q: 2. Can the work done by the force of kinetic friction on an object ever be positive? If "yes," give…
A: Kinetic friction force : kinetic friction exist between two contact surface only when there is…
Q: A 2.00-kg (20.0-N) stone is dropped from a height of 5.0 m, and strikes the ground with a velocity…
A: Given data: Mass (m) = 2.00 kg Weight (mg) = 20.0 N Height (h) = 5.0 m Initial velocity (v0) = 0 m/s…
Q: The work done in stretching a spring-mass system a distance x from its rest position is U = kx² /2.…
A: Solution - We are given that the work done in stretching the spring-mass system a distance x from…
Q: A 1000 kg car moves with a speed of 20 m/s. Suddenly the driver slows to 7 m/s, what is the work…
A: The mass of the car, m is 1000 kg. The initial speed of the car, u is 20 m/s. The final speed of the…
Q: A 1500-kg automobile moves at a constant speed of 60 MPH across a 10-m inclined surface. What is the…
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Q: how much work are you doing?
A:
Q: 32. A ______________ force is a force that does zero work on a closed path. a. Non-conservative b.…
A: Work done by conservative force is independent of path and depends only on end points so its 0 in…
Q: A 5.5 kg bird is flying 12 m above the ground. Potential energy of bird is calculated to be ? use g…
A: Given, mass of the bird m = 5.5 Kg Height on which bird flying h = 12 m We know the expression for…
Q: 4. Two men, Joel and Jerry, push against a car that has stalled, trying unsuccessfully to get it…
A: The work done on the car is given as, Here, F, d and θ represent the force, the displacement and…
Q: 1. Draw a situation where a force is doing zero work. Explain why the force is doing no work,…
A: To explain a situation where work done by a force is zero.
Q: Calculate the work done from x=0.0 to x = 7.0 m by the one-dimensional force depicted in the…
A: Note:- The area under the force-displacement graph gives the work done.Given- the graph of one…
Q: A person picks a 1.00 kg box of macaroni from off the shelf and lowers it 0.77 m into a shopping…
A: Given:- The mass of the box of macaroni is m = 1.0 kg. The distance the person put that box is d =…
Q: 13.) A 350 lb force (lbf) acts on a block at an angle of 150 with the What is the work done by this…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: Person X pushes twice as hard against a stationary brick wall as person Y. Which one of the…
A: Given: Person X pushes twice as hard against a stationary brick wall as person Y. To Find: Which one…
Q: An accelerating object of mass m=17 kg is fired with an initial speed v-8 m/s at a starting point.…
A:
Q: A 150-N crate slides with constant speed a distance of 10 m downward along a rough slope that makes…
A: The crate, having a 150 N weight is sliding down the incline at a constant speed. This means that…
Q: An 16-N block slides down an incline. It has an initial speed of 7 m/s. The work done by the…
A:
Q: If an object moves in a straight line from x1=1 m to x2 = 2 m by a force F = -7.2 x N. Find the work…
A: This can be solved using the basic definition of work. Refer next step for the solution.
Q: rojected vertically upwa city of 20m/s at a hei gy at the ground level. 10J B. 20J C. 30J D. 50J
A: According to kinematics equation v2=u2-2gx Use the given values 202=u2-2×10×10u2=400+200=600 m/s
Q: A 1.60-m-tall person lifts a 1,65-kg book off relative to the head of the person 2.20 m abave the…
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