What is the force of an object with a mass of 65 kg and an an unknown acceleration?

A 9 m3 container is filled with 300 kg of r-134a at 10°c. what is the specific enthalpy (kj/kg) of the r-134a in the container? (4 significant figures)

How do you distinguish between speed, velocity, and acceleration?

A flywheel in a motor is spinning at 590 rpm when a power failure suddenly occurs. The flywheel has mass 40.0 kg and diameter 75.0 cm. The power is off for 30.

A spring with an unknown force constant is compressed as shown. If the original length of the spring is 60cm, determine (a) the spring force constant (b) the compressive stress in the spring (c) the strain of the spring

Legend says that archimedes, in determining whether or not the king's crown was made of pure gold, measured its volume by the water displacement method.

Which answer choice best explains why nuclear reactions release more energy than chemical reactions? Electrostatic forces of repulsion are thousands of times stronger than gravitational forces.

A train's mass is 18181.81 kg. What is its weight?

a 3.0m long frictionless pendulum swings with a maximum angluar displacement of 10 degree from the vertical. at its lowest position the kinetic energy of the pendulum is 20.0j what is the potential energy of the pendulum when the kientic energy is 5.

How are hypotheses and theories related to each other?

a bike can climb the inclined road at uniform speed of 72 km/hr by applying force 500N what will be the power applied by the bike?