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Worksheets9 wks Exam
Total questions: 20
Worksheet time: 40mins
During which interval is the object speeding up?
A to B
B to C
D to E
E to F
A motorboat, which has a speed of 5 m/s in still water, is crossing a river (from west to east) The river's current is flowing south at 3.3 m/s. What is the magnitude of the boat’s resultant velocity with respect to the starting point?
3.3 m/s
5.0 m/s
6.0 m/s
8.3 m/s
A woman on a bicycle travels at 9 m/s S relative to the ground as she passes a little boy on a tricycle going in the opposite direction. If the boy is traveling at 1 m/s N relative to the ground, how fast does the boy appear to be moving relative to the woman?
10 m/s S
8 m/s N
0 m/s
10 m/s N
The Cheerios Nascar is racing around the track at 220 m/s, the Coke A Cola Nascar is speeding at 320 m/s. What is the magnitude of velocity of the Coke A Cola Nascar relative to the Cheerios Nascar?
100 m/s
320 m/s
540 m/s
0 m/s
Name the missing force
weight
normal force
applied force
friction
If both teams pull with the same amount of force, what will happen?
The team on the right will win
They will not move at all
The team on the left will win
Both teams will fall down
A textbook is dropped from a second floor window and falls to the ground. What happens to the acceleration as the book falls to the ground
the acceleration increases
the acceleration decreases
the acceleration remains constant
A baseball is thrown up into the air. What happens to the velocity as the ball rises in the air?
the velocity increases
the velocity decreases
the velocity remains constant
A skateboarder rolls off a bridge into the river as shown. If the skateboarder was originally moving at 7.0 m/s, how much time did the skateboarder spend in the air?
1.3 s
0.79 s
38.5 s
0.70 s
Not enough information given.
Which vector pair (arrow pair) correctly represents the acceleration and velocity at point P?
