A 50 kg person jumping from a height of 1 m is traveling at 4.5 m/sec just prior to landing. Suppose she lands on a pad and stops in 0.2 sec. What maximum force will she experience ?

Q: The only force acting on a 2.0-kg body moving along the x axis is given by Fx = 2x where force is…

A: Given : equation of force, Fx = 2x  mass of the body, m = 2.0 kg  Velocity at x = 0, vo = 3 m/s to…

Q: A nonzero net force acts on an object. Is it possible for any of the following quantities to be…

A: (a) If a nonzero force acts on the object then an acceleration acting on the object according to the…

Q: A soccer ball with mass 0.420 kg is initially moving with speed 2.00 m/s. A soccer player kicks the…

A: Mass of the ball = 0.420 kg Initial speed = Vi = 2 m/s Final speed = Vf = 6 m/s Force applied = F =…

Q: Assume that the force of a bow on an arrow behaves like the spring force. In aiming the arrow, an…

A:

Q: A 5 N force causes a 37 kg body to change speed from 6 m/s to 9 m/s. Over what distance does this…

A: Given, force, F=5 N Mass, m=37 kg initial speed, u=6 m/s final speed, v=9 m/s distance force acts,…

Q: 6.00 ✕ 105 kg subway train is brought to a stop from a speed of 0.500 m/s in 0.600 m by a large…

A: Given : m = 6.00 × 105 kg vf = 0 (because finally the train is brought to rest) vi = 0.500 m/s  xi =…

Q: A 2.1 × 103 -kg car starts from rest at the top of a 5.0-m-long driveway that is inclined at 20°…

A: Given data: Mass of car, m = 2.1 × 103 kg Length of driveway, L = 5 m  angle of inclination, θ = 20°…

Q: An adult dolphin weighs about 1700 N. With what speed v; must he be moving as he leaves the water in…

A: Data Given ,  Weight of the dolphin ( W ) = 1700 N height of the jump ( h ) = 2.50 m

Q: A softball having a mass of 0.25kg is pitched at 82.8km/h. By the time it reaches the plate, it may…

A: In the given question, Mass of the softball (m) = 0.25kg Initial velocity of softball (u) = 82.8km/h…

Q: Consider an object of mass m = 4 kg on a frictionless table. The object experiences a repulsive…

A: Given value:Mass of the object, m = 4 kgRepulsive force, F = a/x2 + b/x

Q: A object of mass 3.00 kg is subject to a force Fx that varies with position as in the figure below.…

A: Given:At x = 0u = 0.450 m/sMass of object, m = 3 kg

Q: A 7.0-kg rock is subject to a variable force given by the equation F(x) = 6.0 N - (2.0 N/m)x + (6.0…

A: Given :- m = 7 kg  u= 0 F(x) = 6.0 N - (2.0 N/m)x + (6.0 N/m2)x2

Q: How much potential Energy does a 69 kg skydiver have in an airplane 3000 m above the ground?

A:

Q: A 84 kg janitor wearing running shoes is running across an ice rink at a speed of 6.3 m/s. They try…

A:

Q: 2. A 3.0 kg particle is pushed with a force given below. If its speed at x = 2 m is 1.70 m/s what is…

A: work done between x=2 m to x =4m can be simply found by finding the area of given graph between…

Q: A 30 gram bullet moving horizontally with a velocity of 450 m/s gets imbedded in a 10 kg block…

A: Given data:  Mass of bullet (m) = 30 g = 0.030 kg Velocity of bullet (v) = 450 m/s Mass of block…

Q: the only force acting on a 2kg body moving along the x-axis is given by Fx=(2.0x)N, where x is in m.…

A: The equation of motion is

Q: The world record for pole vaulting is 6.15 m. If the pole vaulter’s gravitational potential is 4942…

A: Given Potential energy= 4942 J Height = 6.15 m We have to calculate the mass

Q: A constant force of 8.0 N is exerted for 4.0 s on a 16-kg object initially at rest By how much will…

A:

Q: A 72 fireman slide down a 3.2 m pole by applying a frictional force of 377 N against the pole with…

A: Given , mass of fireman , m = 72 kg Height of pole , h = 3.2m Frictional force , f = 377 N…

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

A:

Q: A 2.1 x 103-kg car starts from rest at the top of a 5.5-m-long driveway that is inclined at 15° with…

A: Given Data : The mass of the car is given as M=2.1×103 Kg The length of the driveway is given as D =…

Q: A 6.89-kg particle is subject to a net force that varies with position as shown in the figure. The…

A:

Q: Thor, Norse God of Thunder, is rumored to be the strongest of the Asgardians. Suppose in his battle…

A:

Q: Suppose you are at a bowling alley, where a machine uses a constant force and pushes balls up a ramp…

A: The work done is given as, W = F x l

Q: What is the kinetic energy of the Hulk if he has a mass of 192.3 kg and is flying at a speed of…

A:

Q: A 3.09-kg particle is subject to a net force that varies with position as shown in the figure. The…

A: Given: The mass of the particle is m=3.09 kg. According to work energy theorem: Kinetic…

Q: "A 65 kg teacher, starting from rest, glides gracefully down a slide while the net force on her is a…

A:

Q: A 4.0 g bullet leaves the muzzle of a riffle with a speed of 328 m/s. What force (assumed constant)…

A:

Q: A horizontal force of 1.5 N acts on a 0.2kg mass to accelerate it along a horizontal path. How fast…

A:

Q: As a 62 kg skier descends from A to B, her velocity increases from rest to 21.7 m/s. During this…

A: Apply the energy conservation equation and substitute the required values.

Q: What is the maximum speed of a 1000 kg roller coaster car at the bottom of a 97 m hill?

A: Given: mass of the roller coaster m = 1000Kg            height of the hill h = 97m Find: Maximum…

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

A:

Q: A 6.0 ✕ 104 kg space probe is traveling at a speed of 12000 m/s through deep space. Retrorockets are…

A: Given a 6.0✕104 kg space probe is traveling at a speed of 12000 m/s through deep space. Retrorockets…

Q: A sled and a rider together have a combined mass of 87 kg. They slide from rest down a frictionless…

A:

Q: A particle of mass 2.3 kg moves under the influence of a force: F(x)=(−5x2+7x) N If its speed…

A: potential energy = - ∫f.dx = -∫(-5x2 +7x)dx = - (-5x3/3 + 7x2/2) = (5/3)(x3) - 3.5 x2 total energy…

Q: A 750-kg automobile is moving at 16.9 m/s at a height of 5.00 m above the bottom of a hill when it…

A: Write the expression for change in potential energy

Q: A 2.1 ✕ 103-kg car starts from rest at the top of a 5.2-m-long driveway that is inclined at 24° with…

A: mass, m = 2100 kg  length, L = 5.2 m  Angle, A = 24° Friction force, f = 4000 N

Q: A 2kg hockey puck on a frozen pond is given an initial speed of 20 m/s. If the puck always remains…

A: Data Given ,  Mass of the hockey puck ( m ) = 2 kg  Initial speed ( u ) = 20 m/s Displacement ( s )…

Q: A robot drops a 1.2kg package from the roof of a building 12.4m tall.  Ignoring wind resistance,…

A: Given , mass = 1.2 kg height = 12.4m We know that g = 9.8 m/s2

Q: A force acting on a 2.00 kg object is given by F(x) = (2.00 N/m)x+ (1.00 N/m³)x³. An object starts…

A: The mass of the object is m=2.00 kg The force acting on the mass is Fx=2x+1x3

Q: A 4.00-kg particle is subject to a net force that varies with position as shown. The particle starts…

A: From the force versus displacement or position graph, the area under the curve equals the work done…

Q: A particle of mass 2 kg moves along the x – axis under the influence of a force F = (3x² – 4x + 5)î…

A: Answer            6.708m/s

Q: 4) The force on a 3.00-kg object as a function of position is shown in the figure. If an object is…

A: The total work done by the object will be the area under the force-distance curve. The area under…

Q: A 150 g particle at x = 0 is moving at 8.00 m/s in the +x-direction. As it moves, it experiences a…

A: Write the provided force equation.

Q: A parachutist weighing m=70Kg (including equipment) falls vertically from a height of 1500 meters…

A: Given data: The mass of parachutist is m=70 kg. The height from ground is h=1500 m. The time after…

Q: A 1200-kg car going 30 m/s applies its brakes and skids to rest. If the friction force between the…

A: