A spring is stretched by 0.2 m under a load of 50 N. What is the spring constant? A) 100 N/m100 \, \text{N/m}B) 250 N/m250 \, \text{N/m}C) 50 N/m50 \, \text{N/m}D) 500 N/m500 \, \text{N/m}
A runner completes one lap around a 400 m track in 60 second…
A runner completes one lap around a 400 m track in 60 seconds. What is their average velocity? A) 6.67 m/sB) 400 m/sC) 0 m/sD) Cannot be determined
What is the force required to keep a 10 kg object moving at…
What is the force required to keep a 10 kg object moving at a constant velocity of 5 m/s on a frictionless surface? A) 0 NB) 10 NC) 50 ND) Cannot be determined
If the mass of one object is doubled, how does the gravitati…
If the mass of one object is doubled, how does the gravitational force between it and another object change? A) HalvedB) DoubledC) QuadrupledD) Unchanged
A projectile is launched horizontally at 30 m/s from a 45 m…
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 resis…
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 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…
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…
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 quantit…
The area under a velocity-time graph represents what quantity? A) SpeedB) DisplacementC) AccelerationD) Force