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3,250
In a crash test, a 2,500 kg car hits a concrete barrier at 1.3 m/s2.
This pair of forces is an example of Newton’s [___] law of motion.
Which of Newton’s laws explains why a test dummy continues forward until it makes contact with another object? [___]
The mass of the rocket is [___] kg.
2.9
If the car strikes the barrier with a force of 3,250 N, how much resistance force does the barrier provide? [___] N
What will happen to a test dummy during a crash test if its seatbelt is not buckled?The test dummy will stop when the car stops.The test dummy will continue forward until it makes contact with another object.The test dummy will strike and rebound continuously within the interior of the carThe test dummy will remain motionless.
Which of Newton’s laws explains why a test dummy continues forward until it makes contact with another object? [___]
The mass of the rocket is [___] kg.
2.9
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.the first lawthe second lawthe third lawthe fourth lawthe fifth law
What will happen to a test dummy during a crash test if its seatbelt is not buckled?
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.the first lawthe second lawthe third lawthe fourth lawthe fifth law
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