A satellite orbits Earth in a circular orbit with a radius of 6.37×106 m6.37 \times 10^6 \, \text{m} (Earth’s radius). Its speed is 7,900 m/s7,900 \, \text{m/s}. What is the centripetal acceleration of the satellite?

What is the formula for kinetic friction? A) fk=μkNf_k = \mu_k NB) fk=μsNf_k = \mu_s NC) fk=μkmgf_k = \mu_k m gD) fk=μsmgf_k = \mu_s m g

What is the time of flight for an object thrown vertically upward at 15 m/s? (Take g=10 m/s2g = 10 \, \text{m/s}^2) A) 1.5 sB) 3.0 sC) 5.0 sD) 10.0 s

A ball is thrown upward with an initial velocity of 25 m/s25 \, \text{m/s}. How much time does it take to reach its maximum height? (Take g=9.8 m/s2g = 9.8 \, \text{m/s}^2).

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

A satellite orbits Earth in a circular path at a constant speed. What is the direction of the net force acting on the satellite? A) Tangential to the orbitB) Radially outwardC) Radially inwardD) Perpendicular to the orbit

What is the range of a projectile launched at an angle of 30° with an initial velocity of 40 m/s? (Take g=10 m/s2g = 10 \, \text{m/s}^2) A) 80 mB) 120 mC) 138 mD) 160 m

A skydiver reaches terminal velocity when: A) The drag force equals their weight.B) The drag force is zero.C) The net force is maximum.D) The acceleration is at its peak.