tysics 405 Relative Motion Worksheet 1 Please keep the original (given) units in
ID: 1582518 • Letter: T
Question
tysics 405 Relative Motion Worksheet 1 Please keep the original (given) units in your answer. 1. A baseball pitcher is warming up as he travels to a game by plane. The plane is flying at 450.0 km/h [W] relative to the ground. The pitcher throws a ball at 150.0 km/h relative to the plane. What is the bal's velocity relative to the ground, if the pitcher throws the ball towards a) the front of the plane? b) the rear of the plane? A van moves 95.0 km/h relative to the ground. A passenger at the back of the van throws a ball towards the front of the van at 55.0 km/h relative to the van What is the velocity of the ball relative to the ground? 2. 3. A bowler is practicing his game on a railway flat car travelling at 50.0 km/h INL relative to the ground. If the ball's velocity relative to the flat car is 600 km/h at is its velocity relative to the ground? is running inside a railway boncar at 3.0 m/s INL relative to the boscar. boxcar is rolling along a ferryboat at 5.0 m/s ISL relative to the ferry bout The ferryboat is heading 4.0 m/s [NI relative to the water t is the velocity of the mouse relative to a) the ferry boat? b) the water? 5 A swimmer jumps into a river and swims straight for the other side at 2.00 m/s IN relative to the water. There is a current in the river of 1.50 m/s(velocity of the water relative to the banks). What is the swimmer's velocity relative to the banks? A conductor in a train travelling at 120 km/h [N] walks across the aisle at 5.0 km/h [E] relative to the train. What is the conductor's velocity relative to the ground? 7. Another mouse is crawling inside a cart which is being pushed across the deck ofa boat. The mouse is moving at 050 m/s [E] relative to the cart. The cart is moving travelling at 1.20 m/s IE] relative to the surface of the boat, and the boat is moving at 4.00 m/s IN] relative to the water. What is the velocity of the mouse relative to the water? Answers l. a) 6000 km/h [W] b)3000 km/h[W] 2 1500 km/h [forwand 3. 10.0 km/h 4. a) 2.0m/s[SI b)20 m/s N 5, 250 m/sp6PEdN] 13 km/h 123° Eof N] 7. 4.35 m/s 1230 E of NExplanation / Answer
1)Given,
Vp = 450 km/h ; Vb = 150 km/h
a)When he throws the ball towards the front of the plane, the velocity will be:
Vf = 450 + 150 = 600 km/h
Hence, Vf = 600 km/h
b)When he throws the ball towards the rear end of the plane, the velocity will be:
Vr = 450 - 150 = 300 km/h
Hence, Vr = 300 km/h
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