A 45 Kg kid, jumps vertically upward from the ground to a maximum height of 0.8 m. a) The Earth recoils because of his jump. Why? Explain? b) Calculate recoil speed of the Earth? Mass of the Earth is 5.98 ×1024 Kg

Q: Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly…

A: Let there be positive x-axis along right direction . And the positive y-axis along up direction.…

Q: A 0.350 kg lump of clay is dropped from a height of 1.45 m onto the floor. It sticks to the floor…

A: Impulse is defined as the change in momentum experienced by an object either when its velocity…

Q: A 65.7-kg basketball player jumps vertically and leaves the floor with a velocity of 1.66 m/s…

A: Given:            Mass of the basketball player is m = 65.7 kg and the Initial velocity of the jump…

Q: When you jump straight up as high as you can, what is the order of magnitude of the maximum recoil…

A: Considering : Your Mass ( m )= 80  kg Distance of your jump ( x )  =  0.2 m We know : Mass of Earth…

Q: The contact force between two objects during the first few seconds of contact is given by F(t) =…

A: The free body diagram of the problem is given below.   Here, N1 is the normal reaction force acting…

Q: A 2.00-kg cart (cart #1) moving to the right at 12.0 m/s collides with a 1.20-kg cart (cart #2)…

A: There are two types of physical quantities- scalar and vector physical quantities. A scalar quantity…

Q: Two blocks of masses m1 and m2 approach each other on a horizontal table with the same constant…

A: From the law of conservation of momentum, m1v1i+m2v2i=m1v1f+m2v2fm1v0+m2-v0=m10+m2v2f   Rearrange…

Q: A 4.00-g bullet has a muzzle velocity of 270 m/s when fired by a rifle with a weight of 35.0 N. (a)…

A: Given that  m=4.00 g =0.004 kg  velocity (v)=270 m/s  weight (w)=35.0 N.

Q: A car of mass 1760 kg is speeding up on level ground. Its position as a function of time is where…

A: A = 105.3 m  t1 = 9.8 s  M = 1760 kg  x(t) = A{t/t1 + t⁵/t⁵1}

Q: 2. 50 Force (Newtons) Force exerted on tennis ball 000 250 000 150 100 Gean enimete 11 4. 6. Time…

A: As per guidelines, only 3 subparts are solved here. a) The unit of area under the curve is Newton…

Q: Time left A 4kg particle is moving horizontally with a speed of 7 m/s when it strikes a vertical…

A: Given data: Mass of particle m=4 kg. Speed of particle is u=7 m/s. Rebound speed of particle is v=4…

Q: A 1.2 kg object moving at initial velocity 2.0 ms- collides elastically with a stationary 0.5 kg…

A:

Q: A 200-lb block is sliding along a horizontal plane at 4 ft/s when a force P is applied on it as…

A:

Q: A 0.032-kg bullet is fired vertically at 230 m/s into a 0.15-kg baseball that is initially at rest.…

A: Solution: Given that mass of bullet, m = 0.032-kg  mass of basket ball, M = 0.15 kg v of bullet =…

Q: The magnitude of the net force exerted in the x direction on a 3.25-kg particle varies in time as…

A: (a) The impulse is area under the curve. the graph can be divided into two triangles and one…

Q: What is the magnitude of the impulse J imparted to the clay F max by the floor during the impact?…

A: Using equation of motion to find the velocity of impact of clay on the floor V2 - U2 = 2 adV2 - 0…

Q: A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing…

A: Given data :                Initial speed , u = 0 m/s   (since, at rest)                Final speed,…

Q: The force of magnitude F, acting on a 2.00 kg particle varies in time as shown in Figure P6.12. AN)…

A:

Q: A 63.3-kg basketball player jumps vertically and leaves the floor with a velocity of 1.71 m/s…

A: Given that: Mass of basketball player, m= 63.3 kg Upward velocity, v= 1.71 m/s upward

Q: 95 kg linebacker collides with an 80 kg running back in a football game which experienced a greater…

A: Given:- A 95 kg linebacker collides with an 80 kg running back in a football game which experienced…

Q: A 0.335-kg volleyball approaches a player horizontally with a speed of 15.3 m/s. The player strikes…

A: Given data The mass of the volleyball is m = 0.335 kg The initial speed of the volleyball is: u =…

Q: A rifle with a weight of 20 N fires a 5.5-g bullet with a speed of 290 m/s. (a) Find the recoll…

A: According to question we need to find--- (a) Find the recoil speed of the rifle . (b) a 675-N man…

Q: Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly…

A:

Q: A 1300 kg car moving at 6.3 m/s is initially traveling north in the positive y direction. After…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: A 4.00 kg ball traveling to the right at 4.00 m/'s makes a head on elastic collision with an 8.00 kg…

A: Collisions conserve momentum. The expression for the final speed of the 4.00 kg ball after the…

Q: n impulse of 7.5 x 104 N-sec stops a car in 0.10 secs             a.Calculate the average force on…

A:

Q: If two objects collide and one is initially at rest, (a) is it possiblefor both to be at rest after…

A: When a body collides with another body then,a) Momentum is always conservedb) Total energy may or…

Q: (a) Find the impulse of the force. (Give your answer to one decimal place.) |kg · m/s (b) Find the…

A:

Q: Two ice skaters, Megan and Jason, push off from each other on frictionless ice. Jason’s mass is…

A: Consider the Megan’s mass be m, therefore, the Jason’s mass is 2m. When either of them pushes the…

Q: An estimated force vs. time Fmax = 18 000 N F (N) 20 000 curve for a baseball struck by a bat is…

A: (a). The impulse delivered to the ball is equal to the  area under the curve.

Q: The person dropped a spoon in the floor and it sticks with the floor. Is it elastic or inelastic…

A: Collision A collision occurs when two objects come in direct contact with each other and these two…

Q: 14. Two masses mį = 7 kg and m2 = 14 kg undergo an elastic collision as shown where 0 = 30°. You…

A:

Q: The linear impulse delivered by the hit of a boxer is 95.4 N · s during the 0.122 s of contact. What…

A: The linear impulse delivered by the boxer, J=95.4 N.s   The time duration, t=0.122 s

Q: A ball falls from height of 20.0 m, hits the floor, and rebounds vertically upward to height of 15.0…

A:

Q: F1 = 1800 N What impulse does the force shown in the figure exert on a 250 g particle?

A:

Q: A 1300 kg car moving at 6.3 m/s is initially traveling north in the positive y direction. After…

A:

Q: Activity 2. A 400N body starts up a 30° incline (µ = 0.2) with a velocity of 3m/s. How long must a…

A: Draw the free-body diagram of the body as shown below:

Q: A 0.250 kg lump of clay is dropped from a height of 1.45 m onto the floor. It sticks to the floor…

A: GIVEN  Mass m = 0.250 kg Height h = 1.45 m g = 9.81m/s2 Impulse is defined as product of force and…

Q: Professional Application - A professional boxer hits his opponent with a 1000-N horizontal blow that…

A: Given that the force is  1000-N and  Δt=0.150 s a) We know that Impulse(I) is as shown below. b) We…

Q: Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly…

A: According to the conservation of momentum, the momentum before collision id equal to the momentum…

Q: Find the magnitude of the impulse delivered to a soccer ball when a player kicks it with a force of…

A: Given data:  Force (F) = 1450 N Time interval (Δt) = 5.60 × 10-3 s Required: Impulse (I)

Q: A 500 g object moving with an initial speed of 1.6 m/s to the left, experiences a force varying with…

A: Given:mass, m = 500 g = 0.5 kginitial speed, u = 1.6 m/stime, t = 10-3 s

Q: The magnitude of the net force exerted in the x direction on a 2.50-kg particle varies in time as…

A: Given: m= 2.5 kg (a) impulse = Force×time(t)= area of the F vs t graph   impulse= area of the…

Q: A 71.1-kg basketball player jumps vertically and leaves the floor with a velocity of 1.87 m/s…

A: Data Given ,  Mass of the basketball player ( m ) = 71.1 kg Leaves the floor with velocity ( v ) =…