A car accelerates uniformly from 60 km/h to 100 km/h in 25 s. What is its average acceleration in m/s²?

A ball is thrown vertically upward at 15 m/s. What is its velocity after 2.0 s? (g = 10 m/s²)

A ball is thrown horizontally from a 45 m tall building and lands 24 m from the base. What was its initial speed?

A ball is thrown downward at 8.0 m/s from a 30.0 m height. When does it strike the ground? (g = 10 m/s²)

In projectile motion, total time of flight is T = 2u sinθ / g. What is the time to reach maximum height?

Maximum horizontal range of a projectile occurs when θ equals:

A vehicle moving at 64 m/s decelerates at 4 m/s² until it stops. How far does it travel?

A car starts from rest and accelerates at 2 m/s². How long to reach 100 m/s?

A 150 g ball revolves in a horizontal circle of radius 0.60 m, making 2.00 revolutions per second. What is its centripetal acceleration?

In uniform circular motion, the net force must be:

A car rounds a flat curve of radius 50 m. If μ_s = 0.6, what is the maximum safe speed? (g = 10 m/s²)

On a banked curve with no friction, the ideal speed v satisfies:

In nonuniform circular motion, total acceleration has:

A wheel starts from rest with angular acceleration 3 rad/s². After 4 s, its angular speed is:

The frequency of rotation is 25 Hz. What is the period?

A point on a rotating disk is 0.3 m from the center and has linear speed 1.5 m/s. What is its angular speed?

If angular acceleration is 4 rad/s², the tangential acceleration at radius 0.5 m is:

A solid sphere and a hoop (same mass and radius) roll down an incline from rest. Which reaches the bottom first?

Rotational inertia depends on:

Torque is maximized when the force is applied:

A 10 N force is applied tangentially to a wheel of radius 0.4 m. Torque about the center is:

The rotational analog of F = ma is:

A disk has rotational inertia I = (1/2)MR². If mass doubles and radius halves, new I is:

A figure skater pulls her arms in, reducing rotational inertia by 40%. Her angular speed becomes:

Angular momentum is conserved when:

Kepler’s second law is a consequence of:

A satellite in circular orbit has kinetic energy K. Its total mechanical energy is:

“Weightlessness” in orbit occurs because:

In vertical circular motion (ball on string), tension is least at:

A 2 kg object moves in a circle of radius 3 m at 4 m/s. Centripetal force is:

If speed in circular motion doubles, centripetal acceleration:

If speed in circular motion doubles, centripetal acceleration:

A projectile is launched at 30° with speed 20 m/s. Time of flight is: (g = 10 m/s²)

Range of a projectile launched at 60° equals range at:

A lift accelerates upward. Apparent weight of a passenger:

Normal force on a 70 kg man in a lift accelerating upward at 2 m/s² is: (g = 10 m/s²)

Newton’s first law defines:

If a net force acts on an object, which must change?

Two masses (21 kg and 15 kg) are connected over a frictionless pulley on a 30° incline. What is the acceleration of the 21 kg mass down the slope? (g = 9.8 m/s²)

A bullet (1.8 g) penetrates 0.11 m into wood at 300 m/s and stops uniformly. How long does it take to stop?

In the same bullet scenario, what is the average force exerted by the wood?

A 300 g mass hangs above a 900 g mass. If the system accelerates upward at 0.7 m/s², what is the upper string tension?

In an Atwood machine, m₁ = 5 kg, m₂ = 2.4 kg. What is the tension? (g = 10 m/s²)

A 15 kg cart is linked to a hanging 25 kg mass (frictionless). System acceleration is:

A 2 kg block on a smooth table is connected to a hanging 1 kg mass. Acceleration is:

A ball thrown vertically upward has initial speed 15 m/s. Maximum height reached is: (g = 10)

The direction of the angular velocity vector is given by:

For rolling without slipping, the relation between linear and angular speed is:

Work done by a constant torque τ over angular displacement θ (in radians) is:

A satellite orbits Earth at a height equal to Earth’s radius. Its orbital speed is what fraction of the escape speed at Earth’s surface?

Gravitational force between 1000 kg and 2000 kg masses 10 m apart is: (G = 6.67×10⁻¹¹)

In an Atwood machine, if m₁ = m₂, acceleration is:

Time of flight for a ball thrown horizontally from height H is:

A car skids on a flat curve because:

For a banked curve with no friction, which is true?

A solid cylinder and hollow cylinder (same mass and radius) roll down an incline. Which has greater rotational inertia?

If net torque on a rigid body is zero, then:

Centripetal acceleration of Earth in orbit (v = 30 km/s, r = 1.5×10¹¹ m) is approximately:

A 21 kg mass on a 30° incline is connected to a 15 kg hanging mass. The system accelerates such that the 21 kg mass moves down. What is the acceleration? (g = 9.8)

A ball on a string is whirled in a vertical circle. At the top, the minimum speed to maintain circular motion is: