A 5.00 gram bullet moving horizontally with a speed of 400 m/s collides with a wooden block. After moving 2.00 cm into the block the bullet stops moving. Was work done on the bullet? If so describe the type of work and the force that did the work.     a. yes, negative work, force is in the opposite direction as the initial velocity of the bullet   b. yes, positive work, force is in the same direction as the initial velocity of the bullet   c. yes, positive work, force is in the opposite direction as the initial velocity of the bullet   d. No work was done on the bullet   e. yes, negative work, force is in the same direction as the initial velocity of the bullet

Q: A 1000 kg elephant is to be lifted 10m above the ground. a. How much workis required to lift the…

A: Dear student,                    According to the guidelines I am allowed to answer only three…

Q: A 71.1 kg runner has a speed of 3.30 m/s at one instant during a long-distance event. (a)What is the…

A: The mass of the runner, m=71.1 kg   The speed of the runner, v1=3.30 m/s

Q: A 156 gram ice hockey puck slows down from 45.0 m/s to 44.5 m/s as it slides 17.5 m across the…

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Q: Nellie Newton does work on a box by pushing it with a constant force of 100 N over a distance of 4…

A: Assume that Nellie Newton does a work by pushing a box with a constant force F = 100 N over a…

Q: A 67.1 kg runner has a speed of 5.30 m/s at one instant during a long-distance event. a.) What is…

A: (a) Calculate the runner's kinetic energy at this instant. KE=12×Mass of runnerm×Speed of the…

Q: A car (1000 kg) is going 20 m/s on a level road and slams on the brakes. The skid marks are 25m…

A: If an object has mass 'm' and velocity 'v' then the kinetic energy of the object can be found using…

Q: (a) A 75.0 kg man pushes on a 5.0 x 105 ton wall for 250 s but it does not move. How much work does…

A: (a) F=Forces=Displacement of wall=0 Work done is given by W=Fs=F×0=0 The work that the man does on…

Q: 1. a) Calculate the work done when a truck pulls on a load at a 35° angle with a force of 4000 N and…

A:

Q: 1. An Eskimo returning from a successful fishing trip pulls a sled loaded with salmon. The total…

A: (a) Find the amount of work done on the sled. W=Fdcosθ=1.20×102 N5.0 mcos0°=6×102 J=600 J

Q: QA 70 N force is applied horizontally to 10 Kg block at rest for displacement of 200 m 10 kg across…

A:

Q: A0.16 kg pinecone falls 18 m to the ground, where it lands with a speed of 11 m/s. Part A How much…

A: (A) The work done on pinecone by air resistance is the difference in kinetic energies between…

Q: A box is being pushed to the right with 112N of force. The box travels a total of 1.5m to the right.…

A:

Q: A person pulls a toboggan for a distance of 29.6 m along the snow with a rope directed 22.1 ° above…

A:

Q: 1. What is the work formula? a. What is the unit of measurements that each has to be in?…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: After hitting a long fly ball that goes over the right fielder's head and lands in the outfield, the…

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Q: A 4.80 kg watermelon is dropped from rest from the roof of an 18.0 m-tall building and feels no…

A: a) The expression used to work done by gravity on watermelon is W=mgh Substitute values in the above…

Q: 4. A block is launched up a frictionless ramp, as shown, with initial speed v. The block travels up…

A: Here a block is moving up a frictionless ramp or an inclined plane making an angle of θ with the…

Q: 3. Suppose you lift a 20 kg box by a height of 1.0 m. a) How much work do you do in lifting the box?…

A:

Q: A sled of 150 kg mass moves along a smooth horizontal surface at 7 m/s. The sled encounters a rough…

A: Mass of sled, m = 150 kg Initial speed of sled, vo = 7 m/s Force exerted by rough spot, Frough = -…

Q: Suppose the ski patrol lowers a rescue sled and victim,having a total mass of 90.0 kg, down a 60.0º…

A:

Q: 1. A crate of mass 10.0 kg is pulled up a rough 20 degrees incline. The pulling force is 100 N…

A: This is the FBD for the given system. Here, m = 10 kg θ = 200 F= 100 N µ = 0.4 d = 5 m

Q: In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using…

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Q: A 5-kg package is pushed 2 m up a ramp that is inclined at 12o above the horizontal by a 100-N force…

A: Note : Since there are multiple sub-parts and as per guidelines we can provide solution to first…

Q: 4) A block of 1 kg falls from a vertical cliff of height 100m. a) Calculate the velocity of the…

A: Given : Mass = 1kg Height = 100 m (a) Velocity before it hits ground : We know 3rd equation of…

Q: 3. A force of 10 N is applied to a small cart for a distance of 2.0 m. (a) What work is done on the…

A:

Q: A 71.6 kg runner has a speed of 4.70 m/s at one instant during a long-distance event.   (a) What is…

A: The kinetic energy is given by  K= 0.5 mv2  According to the work energy theorem, the change in…

Q: 1. A 66.1 kg runner has a speed of 4.70 m/s at one instant during a long-distance event. (a)What is…

A: The given data are: m=66.1 kgu=4.7 m/s Here, m is the mass and u is the initial speed.

Q: A 65.1 kg runner has a speed of 4.70 m/s at one instant during a long-distance event.   (a) What is…

A:

Q: In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using…

A:

Q: A cat's crinkle ball toy of mass 28 g is thrown straight up with an initial speed of 5 m/s. Assume…

A: Data Given,  Mass of the ball ( m ) = 28 g = 28 × 10-3 kg Initial speed ( v ) = 5 m/s  Air drag is…

Q: 2. At the Yankee stadium Alex Rodiguez scores a home run against the Miami Dolphins ,by hitting the…

A:

Q: A force of 45.6 lb is used to push a box 10.3 ft across a level floor. (a) How much work was done on…

A: Given,  Force acting on the box, F = 45.6 lb Displacement of box, x = 10.3 ft For calculating work…

Q: A 5.10-kg watermelon is dropped from rest from the roof of a 29.0-m-tall building and feels no…

A:

Q: A cat's crinkle ball toy of mass 28 g is thrown straight up with an initial speed of 5 m/s. Assume…

A: Solution: Given that mass m = 28 g speed v = 5 m/s

Q: 1. An Eskimo returning from a successful fishing trip pulls a sled loaded with salmon. The total…

A: Given data: The total mass of the sled and salmon is, m = 50.0 kg Eskimo exerts a force of magnitude…

Q: A sled of 150 kg mass moves along a smooth horizontal surface at 7 m/S The sled encounters a rough…

A: It is given that, m=150 kgu=7 m/sF=-90 Ns=15 m

Q: A person pulls a toboggan for a distance of 33.7 m along the snow with a rope directed 21.2° above…

A: Given Data: Distance covered, Rope inclination angle,   Tension,

Q: A cat's crinkle ball toy of mass 28 g is thrown straight up with an initial speed of 5 m/s. Assume…

A:

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.