The following two questions relate to a baseball being hit. Just before the ball (of mass 0.4kg) contacts the bat, it is travelling in the negative x direction with a speed of 20m/s. Immediately after the hit, the ball moves away from the bat in the positive x direction with a speed of 30 m/s. The bat is in contact with the ball for 10 milli-seconds. 10. What is the magnitude of the average force on the ball in the x direction, while it is in contact with the bat? A) 400 N B) 1200 N C) 1600 N D) 2000 N E) 100,000 N 11. While in contact with the bat, there is an instant when the ball is stationary. At that instant, describe the acceleration of the ball in the x direction: A) In the positive x direction and non-zero B) In the negative x direction and non-zero C) Zero

An amateur golfer swings a golf club, striking a golf ball that has a mass of 55.0 g. The club is in contact with the ball for only 0.00430 s. After the collision, the ball leaves the club at a speed of 35.0 m/s. What is the magnitude of the average force (in N) exerted on the ball by the club?

Problem 3: A boy of mass m = 48 kg moves at a velocity V¡ = 1.55 m/s before hopping on a skateboard. After hopping on the board the boy has a velocity vf= 1.44 m/s. What is the mass of the skateboard, in kilograms? Numeric : A numeric value is expected and not an expression. mp =

Kindly answer in 30 min will upvote.

Figure 1 The positive direction 1i 2i m1 m2 "The lab frame:" This track is not moving.

Problem 3: A student of mass m = 51 kg runs at a velocity v; = 1.53 m/s before leaping on a skateboard. After leaping on the board the student has a velocity vf = 1.44 m/s. What is the mass of the skateboard, in kilograms? Numeric : Anumeric value is expected and not an expression. Mp =

A 50.0 kg astronaut is standing on a 250.0 kg space capsule. He pushes off from the space capsule with a velocity of 10.0 m/s. How long does it take for him to reach a point 50.0 m away from the space capsule? (Hint: Not 5 seconds!)

A 38.0 g balled is launched from ground level at an angle of 21.0° above the horizon. Its initial speed is 21.0 m/s. What is the value of px (in kg*m/s) an instant after the ball is launched? What is the value of py (in kg*m/s) an instant after the ball is launched?

The mass of a particular eagle is twice that of a hunted pigeon. Suppose the pigeon is flying north at ??,2=17.5 m/s when the eagle swoops down, grabs the pigeon, and flies off. At the instant right before the attack, the eagle is flying toward the pigeon at an angle θ=47.1° below the horizontal and a speed of ??,1=42.1 m/s.   What is the speed of the eagle immediately after it catches its prey?   Speed:   What is the magnitude of the angle, measured from horizontal, at which the eagle is flying immediately after the strike?   Magnitude of angle:

A bat collides with a 0.300 kg baseball over a period of 2.00 ms (m = milli).  If v1=12.0 m/s, θ1=35° and v2=23 m/s, determine the magnitude of the force exerted on the ball by the bat.