An airplane flies with a constant speed of 880 km/h. How far can it travel in 3 hours?

A solid sphere of uniform density starts from rest and rolls without slipping down an inclined plane with angle? = 30o. the sphere has mass m = 8 kg and radius r = 0.19 m. the coefficient of static friction between the sphere and the plane is? = 0.

Calculate the weight in newtons of a 2.4-kg melon. express your answer to two significant figures and include the appropriate units.

if you went towards the gas giant of our solar system would you just go straight through it or hit a hard surface

5. While working near flammable substances, one should avoid iron or steel hand tools. O (A) True O (B) False

Three children are trying to balance on a seesaw, which consists of a fulcrum rock, acting as a pivot at the center, and a very light board 3.6 m long. Two playmates are already on either end. Boy A has a mass of 40 kg, and girl B a mass of 30 kg.

Which change occurs when an atom undergoes alpha decay?

An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is able to rotate the ball at the rate of 8.44 rev/s when the length of the chain is 0.600 m. When he increases the length to 0.

A moving small car has a head-on collision with a large stationary truck 7.3 times the mass of the car. Which statement is true about the direction of the car after the collision if the collision is elastic?

In a ballistic pendulum experiment, projectile 1 results in a maximum height h of the pendulum equal to 2.0 cm. A second projectile causes the the pendulum to swing higher, to h2 = 5.5 cm.

Uncharged Particle A. Neutrons B. Protons C. Electrons D. Molecule