A sailboat has a mass of 4000 kg. The sail generates a forward for of 13,000 N. The water provides a “friction” force of 3000 N. The sailboat starts with a forward velocity of 1ms1ms. The velocity of the sailboat after it has travelled 10 m is

Q: 1 2500kg railroad car moving with a speed of 3 m/s is linked with a 3500 kg railroad car moving away…

A: Given a 2500kg railroad car moving with a speed of 3 m/s is linked with a 3500 kg railroad car…

Q: A golfer hits a 45 grams golf ball from the fairway with initial velocity 36m/s it lands on the…

A: The work done by all the forces is equal to the change in the energy of the system. Kinetic energy =…

Q: Two blocks of masses m and 3m are placed on a frictionless, norizontal surface. A light spring is…

A: given: spring was compressed x=5.30 cm  x= 5.30 * 10-2 m also, kinetic energy = 7.7 J ( already…

Q: A ball of mass 1.5 kg is thrown upward. It leaves the thrower's hand with a velocity of 10 m/s. What…

A: Given data: Mass of the ball (m) = 1.5 kg Initial velocity (vf) = 10 m/s Final velocity of the ball…

Q: A stationary soccer ball of mass m = 0.76 kg is kicked with a constant force of F = 11 N. The…

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Q: As part of a safety investigation, two 1400 kg cars traveling at 20 m/s are crashed into different…

A: Given mass of car m=1400 kgspeed of car u=20 msCars are crashed into different barriers .

Q: A boy slides down a hill on a sled (total mass of 40 kg) and coasts onto a flat plain with a speed…

A: GivenTotal mass (m) = 40 KgInitial velocity (U) = 5.8 m/sFinal velocity (V) = 0Force of friction (F)…

Q: A skateboarder running at a speed of 2.1 m/s jumps onto their stationary skateboard, resulting in…

A: We have a skateboarder of mass M=54.8 kg moving with an initial velocity v1=2.1 m/s running towards…

Q: A hand pushes block A (ma = 3 kg) with a constant force Nand. A 75 N for a distance Ax = 2 m along a…

A: In the elastic collision, both the energy and the momentum are conserved. Whereas, in an inelastic…

Q: A 0.140-kg baseball is dropped from rest. It has a speed of 1.20 m/s just before it hits the ground,…

A: Given : m = 0.140 kg vi = -1.20 m/s (negative because of downward motion) vf = 1.00 m/s dt = 0.0140…

Q: A 15 g bullet is shot into a wooden post with velocity of 300 m/s. If the bullet comes to rest over…

A: Given: mass of the bullet is m = 15 g Initial velocity of the bullet v =300 m/s distance traveled by…

Q: A baseball travelling at a speed of 35 m/s has 89 J of kinetic energy. What is the mass of the…

A: Using the expression for kinetic energy, Ek=12mv2m=2Ekv2

Q: A dart gun contains a spring of spring constant k = 17 N/m which is used to fire a dart of mass m.…

A: Given,

Q: A 5.0 N horizontal force is applied to a 2.5 kg cart for 3.8 m (starting with a speed of 0 m/s).…

A: given; horizontal force=5 N Mass = 2.5 kg initial speed is =0 m/s distance =3.8 m final velocity v

Q: A crane drops a 1.7 kg steel ball onto a steel plate. The ball’s speeds just before impact and after…

A:

Q: A soccer ball slides across the surface of a frozen pond (it is smooth enough to neglect friction).…

A: Initial velocity is V1 Force applied 420N Time taken 0.013 sec. Final velocity is 11m/s

Q: Ball A (mass of 1.00 kg) began from rest, at position 1, on a ramp at a height of 1.25 m. At…

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Q: During the pitching motion, a baseball pitcher exerted an average horizontal force of 60 N against…

A:

Q: Two blocks of masses ma = 6.2kg and mg = 17.7kg are placed on a frictionless horizantal surface. A…

A: Given, Initially the blocks of mass, mA =6.2 kgmB = 17.7 kg Initial velocity, uA = uB = 0

Q: A 51.9-kg skater is standing at rest in front of a wall. By pushing against the wall she propels…

A: The average force exerted on the wall can be given by Favg=mv-ut

Q: Tinkerbell has a velocity of 5 m/s [S] and a kinetic energy of 22.5 J, what is her mass? O 2.25 kg…

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Q: light pallet is at rest on the ground with a stone of mass 30 allet by providing a force of 310 N…

A:

Q: A student pushes a physics textbook of mass 1.11 kg across a table with a horizontal force of 5.81…

A:

Q: A butterfly has a velocity of 15 m/s [E] and a kinetic energy of 22.5 J, what is its mass? 45 kg…

A:

Q: 19.5 m B The height of the drop from point A to point B is h = 19.5 m, the velocity of the car and…

A: Using conservation of energy: mgh = 12mv2-u2  9.8 x 19.5 = 0.5 x(v2-6.252) v= 20.525 m/s

Q: A stationary but movable 400 kg cannon is fired, and the 10 kg cannonball moves off to the right…

A: Given: mass of the cannon, M=400 kg mass of cannon ball, m=10 kg velocity of the ball, v=20 m/s

Q: A golf ball of mass 0.045 kg is hit off the tee at a speed of 34 m/s . The golf club was in contact…

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Q: A bullet with mass m, is fired with a velocity v to a hanging target made of wood with mass mw and…

A: This question is based on the conservation of linear momentum.

Q: A tennis ball is coming towards you with a speed of 40 m/s. You hit the ball (mass = 0.06kg) and it…

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Q: In a collision, a 1200 kg car initially moving at 30 m/s comes to a stop in 0.5 second. The…

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Q: A 0.24–kg volleyball approaches Tina with a velocity of 3.3 m/s. Tina bumps the ball, giving it a…

A: To determine: The average force applied by tina, when the volleyball approaches tina   Given: Mass…

Q: A doctor is testing how much impact force does a 75 kg athlete has on his knees when he jumps. On…

A: Given that: m=75 kgv=7.5 m/st=0.4 sec

Q: A 91 kg janitor wearing running shoes is running across an ice rink at a speed of 3.2 m/s. They try…

A:

Q: Starting with an initial speed of 5.00 m/s at a height of 0.300 m, a 1.50-kg ball swings downward…

A:

Q: An 85 kg man lowers himself to the ground from a height of 10.0 m by holding onto a rope that runs…

A: The net force on the man is

Q: A 667 kg pickup truck is travelling at 14.4 m/s. The driver sees a squirrel run across the road and…

A: Given:  The initial speed of the pick-up is 14.4 ms. The mass of the pick-up is 667 kg. The force…

Q: An archer shoots an arrow toward a 300-g target that is sliding in her direction at a speed of 2.00…

A: Since we only answer the first question, we’ll answer the first one. Please resubmit the question…

Q: Tommy accidentally drops a 50 kg concrete block from the 20 m tall building with what speed does the…

A: The height of a building is, h=20 m The initial speed of the block is, u=0 m/s

Q: A baseball player exerts a force of 80N on a ball for a distance of 0.7m as he throws it. If the…

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Q: A 400 kg rocket sled is coasting at 20 m/s. It then turns on its rocket engines for 4.0 s, with a…

A: Given :  Mass (m) = 400kg; Initial speed ( Vi ) = 20 m/s; Time ( t ) = 4 s; Thrust = 800 N;

Q: A 3.00 lg cart with an initial velocity of +4.00 m/s collides inelastically with a 5.00 kg cart with…

A: The mass of the first cart is, m1=3 kg The initial velocity of the first cart is, u1=4 m/s The mass…

Q: A 2.5 kg ball strikes a wall with the velocity of 8.5 m/s to the left the ball bounces off with a…

A: Given:Mass,M=2.5 kgVelocity,v1=8.5 m/svelocity ,v2=7.5 m/s Time,t=0.2 secFind the force exerted on…

Q: A ball of mass m= 1kg hits the floor with initial speed v = 2m/s, and vertically bounces back. The…

A: Given: Mass of ball=1kg the initial speed of ball v=2m/s Force exerted by the ball on the floor is…

Q: A 0.07 kg hockey puck slides across an icy surface and experiences a small friction force of 0.08 N…

A: