A diver with a mass of 110 kg on a high board 10.0m above the water’s surface dives off the board into the pool and continues straight downwards underwater for 2.0m until she is eventually brought to a halt by the water. What is the average force the water exerts on the swimmer as it slows her down?

Q: what average braking force is necessary to stop a 2,500 kg car travelling with an initial velocity…

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Q: An airplane of mass 1.50 x 104 kg is in level flight, initially moving at 60.0 m/s. The resistive…

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Q: Two bows, A and B, are used to fire arrows X and Y respectively. The average force bow A exerts is…

A: SOlution: Given that Two bows, A and B, are used to fire arrows X and Y respectively. The average…

Q: A 70.1 kg astronaut is holding a 8.1 kg tool pack while drifting at 10.4 m/s to the right. She…

A: Given data: The mass of astronaut is m=70.1 kg. Mass of tool pack is M=8.1 kg. Velocity of both is…

Q: During an accident between GMC and YARIS cars, the GMC acting average force of 106 N towards to the…

A: According to Newton's 3rd law third law  for every action (force) in nature there is an equal and…

Q: 4. A car moving at 20.0 m/s crashes into a tree. Find the magnitude of the average force acting on a…

A: Given:           initial speed = 20 m/s                mass = m = 65 kg                Force =…

Q: While walking along Makati Avenue, you saw a moving car with initial speed of 28 m/s . The car is…

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Q: In a slap shot in hockey, the stick and puck are only in contact for 0.030 s. During this time, the…

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Q: A 0.145-kg baseball pitched horizontally at 27.0 m/s strikes a bat. If the contact time between bat…

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Q: A 2000 kg truck with speed 30 m/s suddenly hits the brakes with a constant force of 10000 N.…

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Q: While playing basketball in PE class, Michael Angelo lost his balance after making a lay-up and…

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Q: A pickup truck is moving at 25 m/s with a toolbox of mass m resting on the bed of the truck 2.8 m…

A: 1.189sec time elapses before the toolbox stricks the cab. So your answer us t=1.189sec.

Q: In a crash test, a car is driven into a solid wall at a speed of 35 mph. As shown the car’s…

A: Given   Mass of the car m =1650 kg  Maximum acceleration a = 300 m/s2        From the graph

Q: A 10 g bullet leaves the 0.75 m barrel of a gun with 250 m/s speed. The force exerted on the bullet…

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Q: In a ballistics test, a 28-g bullet pierces a sand bag that is 30 cm thick. If the initial bullet…

A: Solution: Determine the change in kinetic energy of the bullet while it travelled through the bag.…

Q: A car of mass 1100 kg that is traveling at 27 m/s starts to slow down and comes to a complete stop…

A: Given? = 1100 ?? (mass of the car)? = 27 ?? (initial speed of the car)? = 578? ( traveled distance)

Q: Sally throws a puck of mass m = 0.20 kg with an initial velocity i = 5.00i m/s along a horizontal…

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Q: Two iceboats (one of mass m, one of mass 2m) hold a race on a frictionless, horizontal, frozen lake.…

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Q: A 0.145-kg baseball pitched horizontally at 27.0 m/s strikes a bat. If the contact time between bat…

A: Given data:  Mass (m) = 0.145 kg Initial Velocity (Vi) = 27.0 m/s Final velocity (Vf) = 0 m/s Time…

Q: A bullet , with a mass (m) is shot from the rifle barrel with the lenght (d).The bullet's muzzle…

A: Given data: Mass of bullet = m Barral length = d Bullet's muzzle velocity = v Required: Average…

Q: (a) F (N) 10 s (m) 10 FIGURE 2.0 An object of mass 2.0 kg travels along horizontal floor under the…

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Q: A toy rocket rises up in the air due to the force generated by the water. Given the…

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Q: A 80.0 kg diver falls from rest into a swimming pool from a height of 5.50 m. It takes 1.84 s for…

A: Mass of diver (M) = 80kg  Height of diver from pool = 5.50 m  Time taken by diver to stop inside…

Q: A curling rock of mass 20 kg is sliding along a frictionless ice surface when it strikes a rock half…

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Q: A constant force is exerted on a cart that is initially at rest on a frictionless air track. The…

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Q: A 60 kg object traveling at a speed of 80 m/s is suddenly brought to rest in a time of 0.4 seconds.…

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Q: Just before it is struck by a racket, a tennis ball weighing 0.560 N has a velocity of (20.0 m/s)i -…

A: It will be calculated with the help of impulse equation.

Q: A high-diver of mass 70 kg jumps off a board 20 m above the water. If, 1.5 s after entering the…

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Q: 14. Cars that are moving along horizontal roads are going to be stopped by plowing into identical…

A: SOlution: Given that A: m = 1000 kg, v = 6 m/s B: m =1600 kg,  v = 8 m/s C: m =1200 kg, v = 8 m/s 8:…

Q: A block having a mass of 0.7 kg is at rest near the edge of a frictionless table 1.1 m high. A…

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Q: A farmer is using a rope and pulley to lift a bucket of water from the bottom of a well that is h, =…

A: Ans:- Image-1

Q: 1.) A car that weighs 4000 Ibs. (1814 kg), crashes into a wall. What is the impulsive force (F) if…

A: Please note : As per answering guidelines I can answer the first question only. Since, this is not a…

Q: A 92.5 kg stunt man stands on a piston that will launch him out of a vertical tube. The piston…

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Q: Anna pushes a 4.2-kg cart with 2.4 N of force that starts from rest. Determine the time taken by…

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Q: F D three blocks are in contact with each other and their masses are: m (A) = 44.4 kg, m (B) = 34.4…

A: By newton's second law of motion. F=ma Fk=frictional force= μN

Q: A 1000 kg car was travelling at 45m/s when it hit a concrete wall due to drunk driving. Find the…

A: mass of car (m) = 1000 kg Initial velocity (u) = 45 msfinal velocity (v) = 0 mstime (t) = 0.5 sec

Q: A 5-cm-diameter horizontal jet of water with a velocity of 40 m/s relative to the ground strikes a…

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Q: Two bows, A and B, are used to fire arrows X and Y respectively. The average force bow A exerts is…

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Q: A pole vaulter of mass 60.0 kg vaults to a height of 6.50 m before dropping to thick padding placed…

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Q: Sally throws a puck of mass m = 0.20 kg with an initial velocity u= 5.00i m/s along a horizontal…

A: Work done is equal to change in kinetic energy W=∆Ek-Fd=12m∆v2     Force exerted in the direction…

Q: In a slap shot in hockey, the stick and puck are only in contact for 0.030 s. During this time, the…

A:

Q: A 1700 kg car is driving down a highway at a constant velocity when a deer jumps out onto the road…

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Q: In a slap shot in hockey, the stick and puck are only in contact for 0.030s. During this time, the…

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Q: A stationary object is under the effect of 24 N net force for 8 seconds. Since the mass of the…

A: From Newton's 2nd law , F=ma where F is force            m is mass             a is acceleration…

Q: A car moves under a constant force of F=1500 N in the horizontal direction. a) If the mass of the…

A: In this question we are given that a car moves and a constant force of f=1500 N in the horizontal…

Q: Suppose the initial speed of the driver is doubled to 36.0 m>s. Ifthe driver still has a mass of…

A: Given data The initial velocity is u=36.0 m/s The mass of the driver is m=65.0 kg The distance to…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: