IPC Year End

Front

A bus travels 50.0 km/hr for 3.80 hours. The distance traveled will be -

Back

D=T x S

D= 50 x 3.80

D= 190 km

Front

The graph below represents the position of a cart as a function of time.

Refer to the graph above. What is the velocity of the cart from 4-6 seconds?

Back

1.0 m/s

Front

The diagram above shows a balloon rocket.

When the air in the balloon is released, the rocket will move forward.

Which of the following statements best describes the force that cause the motion in the situation explained above?

Back

The air outside the balloon pushes the balloon forward as it opposes the released air.

Front

The speed-time graph shown describes a 60-second car trip.

Which of the statements supports the data shown in the graph?

Back

In section C, the car accelerated constantly but at a lower rate than section A

Front

While cleaning the science lab, a group of students must move a large box of beakers. In order to slide the box across

Back

Friction

Front

Two students on skateboards push on each other and find that they move in opposite directions.

If Student A has a mass twice that of Student B, which of the following best describes the resulting acceleration?

Back

Student B will have a larger acceleration than Student A

Front

A student decides to jump off a skateboard toward the east. Based on the action-reaction forces, which direction will the skateboard most likely move when she jumps off?

A

Back

West

Front

What effect will doubling the distance between both objects have on the gravitational force?

Back

The gravitational force will decrease

Front

A positively charged object is placed a short distance from a negatively charged object. What would happen to the objects if the distance between them doubled? The objects would —

Back

Attract each other with less force

Front

Which of the following systems has kinetic energy?

 

I.    water flowing down a river
II.   a bowling ball rolling down an alley
III.  atoms inside a rock which is sitting on a cliff

Back

All 3

I,II & III