A projectile is launched horizontally at 30 m/s from a 45 m high cliff. How long does it take to hit the ground? (Take g=10 m/s2g = 10 \, \text{m/s}^2) A) 2 sB) 3 sC) 4 sD) 6 s

A bullet is fired horizontally at 50 m/s. Ignoring air resistance, what is its horizontal velocity after 2 seconds? A) 0 m/sB) 9.8 m/sC) 50 m/sD) Cannot be determined

The time period of a satellite orbiting Earth depends on: A) The mass of the satelliteB) The altitude of the satelliteC) The speed of the satelliteD) Both A and B

The force of gravity between two masses separated by 1 m is FF. If the distance between the masses is halved, what is the new force? A) 2F2FB) 4F4FC) F/2F/2D) F/4F/4

A 2 kg object is acted upon by two forces: 10 N10 \, \text{N} to the right and 4 N4 \, \text{N} to the left. What is its acceleration? A) 3 m/s23 \, \text{m/s}^2B) 2 m/s22 \, \text{m/s}^2C) 4 m/s24 \, \text{m/s}^2D) 6 m/s26 \, \text{m/s}^2

The area under a velocity-time graph represents what quantity? A) SpeedB) DisplacementC) AccelerationD) Force

An arrow is shot horizontally at 50 m/s. How far does it fall vertically after 3 seconds? (Take g=10 m/s2g = 10 \, \text{m/s}^2) A) 30 mB) 45 mC) 90 mD) 150 m

When does frictional force become independent of the surface area of contact? A) AlwaysB) Only in the case of kinetic frictionC) Only in the case of static frictionD) When the object moves at constant speed

Hooke’s Law applies to: A) Perfectly elastic materialsB) Plastic deformationC) Both elastic and plastic materialsD) Only brittle materials

A car starts from rest and accelerates uniformly at 2 m/s² for 5 seconds. What is its final velocity? A) 5 m/sB) 10 m/sC) 15 m/sD) 20 m/s