A 17 g bullet is accelerated in a rifle barrel 81.5 cm long to a speed of 846 m/s. Use the work-energy theorem to find the average force exerted on the bullet while it is being accelerated. Answer in units of N.

Q: ohn, of mass 82.4 kg can do work for about 2.0 minutes at the rate of 1.0 hp. How long will it take…

A: Given data: Mass (m) = 82.4 kg Power (P) = 1.0 hp Height (h) = 12.0 m 1 hp = 746 watts Required:…

Q: F, (N) 3 2 1 x (m) 8 10 12 14 16 2 4 6 FIGURE P5.60

A: Workdone W is equals to the area under the force vs. distance graph.        W1=12(5) (3)       =7.5…

Q: The work done by a force that varies in magnitude can be obtained from which of the following…

A:

Q: A body of mass 2 kg is initially at rest on a horizontal frictionless plane. It is then pulled 4…

A:

Q: If a 50 kg object initially at rest is displaced 25 m by a constant net force of 600 N in the…

A: Work done is equal to change in kinetic energy of the body . Work done = (Force)*(displacement)…

Q: Which among the choices is the correct one? Please provide a step-by-step solution for this…

A:

Q: A small stone slung by David toward Goliath moves in a straight line under the influence of a force…

A: Given data:  The force vs position graph Required: The work done on the stone from 0 m to 6 m

Q: Estimate the work (in J) you do to mow a lawn 20 m by 20 m with a 60-cm-wide mower. Assume you push…

A: in this question  we use simple work equation.

Q: A 1000 kg car moves with a speed of 20 m/s. Suddenly the driver speeds up to 30 m/s, what is the…

A:

Q: A car of mass 1200 kg travels along a horizontal road at a speed of 10 ms'. At the time it begins to…

A: GIVEN THAT    m =  1200 kg      speed = 10 m/s      acceleration = 0.2 m/s2    resistive force = 160…

Q: A body of mass 8kg moves in a straight line on a horizontal frictionless surface. At one point in…

A: Given, Mass,m=8  kg Initial speed, u=4 m/s Final speed,v=5 m/s Distance traveled,d=3 m

Q: A block of mass m= 5 kg is pulled along a frictionless horizontal path by a force F = 2 N making an…

A:

Q: 8. Find the work done on a lagage of 50 kg. pulled by a string elevated at 45 degrees by a force of…

A: Given: The mass of the object is 50 kg. The applied force is 100 N. The angle between force and…

Q: A helicopter lifts a 74 kg astronaut 17 m vertically from the ocean by means of a cable. The…

A:

Q: As a woman carries her suitcase up a flight of stairs, she does work against gravity. If the mass of…

A: mass of suitcase (m) = 10 kg Height of stairs (h) = 12 m g = 9.8 ms2

Q: A skier moving at 5.00 m/s encounters a long, rough horizontal patch of snow having a coefficient of…

A: Given: The initial velocity is 5.00 m/s. The coefficient of kinetic friction is 0.220.

Q: Find the work done in joules by gravity as an object of the mass m=8 kg is raised up at constant…

A:

Q: An 8.0-kg block is released from rest, with v1 = 0.00 m/s, on a rough incline, as shown in the…

A:

Q: Please show work

A: Given,

Q: A little red wagon with mass 7.00 kg moves in a straight line on a frictionless horizontal surface.…

A:

Q: A leaky bucket, which weighs 2 N empty and initially has 10 N worth of water in it, is lifted into…

A: Work done will be equal to change in the potential energy of the bucket. Let the potential energy at…

Q: A single force acts on a 3.1 kg particle-like object in such a way that the position of the object…

A: According to the work energy theorem,

Q: A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.850 m/s encounters a rough horizontal…

A:

Q: If 39000 J of work is done on a 520 kg object to accelerate it from rest, then use the Work-Energy…

A:

Q: In the figure shown, if the mass (m36 Kg) is moving with constant speed and traveled a distance d314…

A: mass (m)= 6 kg distance covered (d) = 14 m speed = constant F = 15 N θ = 53o

Q: A rock with a mass of 3.40 kg is moving with velocity (5.60î – 1.40j) m/s. (HINT: v = v· v.) (a)…

A: Given data: The mass of rock is m=3.4 kg. The velocity of rock is v→=5.6i^-1.4j^ m/s. The new…

Q: Using the work and energy relations, solve for the constant force "P" required for a system…

A: The work energy theorem states that the work done by the system of forces is equal to the change in…

Q: A parachute is used to slow a 3.1 kg model rocket from a speed of 32 m/s to 10 m/s. If the parachute…

A: Apply work-energy theorem on the parachute-rocket system, and solve for the work-done by the…

Q: Consider the nonuniform force F = (5.00 i + y² j) , where F is in newtons and y is in metres. A…

A:

Q: A 65.8-kg skier accelerates down an icy hill from an original height of 521 meters. Use the…

A:

Q: On an essentially frictionless, horizontal ice rink, a skater moving at v = 3.0  m/s encounters a…

A:

Q: 8. Find the work done on a lagage of 50 kg. pulled by a string elevated at 45 degrees by a force of…

A: Given:- F= Force 100 N S= Horizontal displacement= 10 m θ= 45° m= 50 Kg 8. Work done is given by:-…

Q: A time-varying net force acting on a 5.9 kg particle causes the object to have a displace- ment…

A: According to question--- Given data--- mass = 5.9 kg. Distance x = a + bt + dt2 + et 3 . a = 2.1 m,…

Q: Pushing a heavy box of 100 N up along a frictionless slope, the speed decreases at a rate of 1 m/s?.…

A:

Q: as a 2kg object moves from (2i+5j)m to (6i-2j)m, the constant resultant force acting on it is equal…

A: Given that the mass of object is m=2.0kgThe object moves from S1=2i+5j to S2=6i-2jThe force on the…

Q: A shopper in a supermarket pushes a trolley with a force of 40N directed at an angle of 35° downward…

A: Given: Force F = 40 N. Angle = 35o Distance ∆x = 30 m To determine: Work done Formula used: W = F ×…

Q: A car with the mass m=1600kg coasts down an incline from an initial height of h=7m with an initial…

A: W=12mv2f-mgh-12mv2i

Q: A 700 kg dragster accelerates from rest to a final speed of 120 m/s in 400 m (about a quarter of a…

A:

Q: It takes a force of 35 N to stretch a 45-cm spring to 90 cm and hold it there. How much work was…

A: Given data : Initial force = 0 N Final force = 35 N Initial stretch in spring = 45 cm = 0.45 m Final…

Q: A truck of mass 200 kg starts with an initial velocity of 1.00 m/s and travels in a straight line…

A: Mass of a truck,

Q: The 2018 Pyeongchang gold medalist winner in a large hill ski jumping discipline, Kamil Stoch,…

A: Applying conservation of energy to calculate the final speed of the man…