AnswersMad 2017 Phy Sci B -33 SSGravity

Gravity Answers

8 verified answers2 views
1
Free Preview

Question text not available

Answer:

3250

2
Free Preview

Question text not available

Answer not available
3

In a crash test, a 2,500 kg car hits a concrete barrier at 1.3 m/s2. If the car strikes the barrier with a force of 3,250 N, how much resistance force does the barrier provide? N This pair of forces is an example of Newton’s law of motion.

Answers:
Selection 1:3,250
Selection 2:third
4

What will happen to a test dummy during a crash test if its seatbelt is not buckled?

A
The test dummy will stop when the car stops.
B
The test dummy will continue forward until it makes contact with another object.
C
The test dummy will strike and rebound continuously within the interior of the car
D
The test dummy will remain motionless.
5

Question text not available

A
Newton’s first law
B
Newton’s second law
C
Newton’s third law
6

Question text not available

Answer:

2.6

7

Question text not available

Answer:

2.9

8

A 2.9 kg model rocket accelerates at 15.3 m/s2 with a force of 44 N. Before launch, the model rocket was not moving. After the solid rocket engine ignited, hot gases were pushed out from the rocket engine nozzle and propelled the rocket toward the sky.Which of Newton’s laws apply in this example? Select three options.

A
the first law
B
the second law
C
the third law
D
the fourth law
E
the fifth law

Did you find these answers helpful?

More from this Course

Instruction
99 verified answers

Unit Test

Assignment
34 verified answers

Constitutional Amendments

Assignment
11 verified answers

Assignment