A
A child’s toy car has a mass of 200 g and uses a force of 1.00 N to accelerate the car. If the car begins from rest, how fast is it going after 2.0 s?
10 m/s
A gun accelerates a bullet from rest to 100.0 m/s in 20.0 ms. The exploding gunpowder provides a force of 100.0 N. What is the mass of the bullet? State your answer in grams.
20.0 kg
A missile with a mass of 4.0 x 1014 kg is accelerated from rest to 60 m/s in 1.0 x 10-8 Gs.
What is the thrust of the missile’s rockets while it is being launched?
2 N
A spaceship is cruising at 720 km/h with the engines off. The engine fires for 1.0× 1010 ns with a thrust of 50,000 N, bringing the ship up to a new speed of 250 m/s. What is the mass of the ship?
10,000 kg