Question

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A runner is traveling around an oval shape track at a constant speed. Is she accelerating?

A. Yes, she is accelerating as she turns and changes direction.

B. No, she is not accelerating because there is not an incline to the track.

C. No, she is not accelerating because her speed is constant.

D. Yes, she is accelerating because her speed is constant

Question 2
Which symbolizes a molecule of a compound?

1. H2O2

2. Si

3. F2

4. Ar2


A. 2 only

B. 1 only

C. 1, 3 and 4

D. 3 and 4

Question 3
An object at rest remains at rest. An object in motion remains in motion unless acted upon by an outside force. This describes Newton's

A. second law of motion.

B. third law of motion.

C. first law of motion.

D. first and third laws of motion.

Question 4
Rose touches a hot stove and burns her hand. What type of energy transfer caused the burn?

A. radiation

B. conduction

C. convection

D. insulation

Question 5
MaryBeth and Grant are both pushing on a wagon, but in opposite directions. MaryBeth is pushing to the left with a force of 34 Newtons. Grant is pushing to the right with a force of 48 Newtons. What is the net force and which direction will the wagon move?

A. The wagon will move to the right. The net force is 14 Newtons.

B. The wagon will move to the left since Grant is pushing harder. The net force is 14 Newtons.

C. The wagon will move to the right. The net force is 82 Newtons.

D. The wagon will not move since MaryBeth and Grant are both pushing in opposite directions. The net force is 0.

Question 6
Which term refers to what happens when an egg fries in a pan on the stove?

A. radiation

B. friction

C. conduction

D. convection

Answer 1

Explanation:

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Answer 2

Answer:

Explanation:

D. Yes, she is accelerating because her speed is constant.

1=b

2=c

3=a