Q1 · medium · AI-verified
A projectile is launched at an angle of 45° with the horizontal. What is the ratio of the maximum height to the range of the projectile?
- 1:1
- 1:2
- 2:1
- 1:4
Q2 · medium · AI-verified
A body of mass 5 kg is moving with a velocity of 10 m/s. A force is applied which changes its velocity to 20 m/s in 5 seconds. What is the force applied?
- 10 N
- 20 N
- 5 N
- 50 N
Q3 · medium · AI-verified
A force of 10 N acts on a body of mass 2 kg for 5 seconds. What is the impulse imparted to the body?
- 20 N·s
- 50 N·s
- 25 N·s
- 100 N·s
Q4 · medium · AI-verified
Newton's first law of motion is also known as the law of:
- Gravitation
- Conservation of momentum
- Inertia
- Action and reaction
Q5 · medium · AI-verified
A ball is thrown vertically upward with a velocity of 20 m/s. What is the maximum height reached? (g = 10 m/s²)
- 20 m
- 10 m
- 25 m
- 40 m