I WILL NAME YOU BRAINLIEST 8. An empty toy train car of
mass 50 kg coasts along at 5 m/s. A 10-kg toy is
suddenly dropped vertically into the car. Find the speed of the car immediately
after the toy is dropped in.
A. 0.5 m/s
B. 4.2 m/s
C. 5 m/s
D. 50 m/s

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? round your answer to the nearest tenth. s how far will the football travel before it lands? round your answer to the nearest tenth. m

Which of the following describe possible scenarios? a) an object has zero instantaneous velocity and non-zero acceleration. b) an object has negative acceleration and is speeding up. c) an object has positive acceleration and constant velocity. d) an object has positive velocity and zero acceleration. e) an object has increasing positive position and negative velocity. f) an object has decreasing positive position and negative acceleration.

A47 kg person in a rollercoaster moving through the bottom of a curved track of radius 47.7 m feels a normal force of 895 n. what is the net centripedal force acting on the person