What are the signs of the angular velocity ω and angular acceleration α of the pulley in case (a) ? by convention, clockwise rotations are negative and counterclockwise rotations are positive?

A liquid has a specific gravity of 1.1 at room temperature. what is its density at room temperature kg/m3

A hot-air balloon is ascending at the rate of 10 m/s and is 74 m above the ground when a package is dropped over the side. (a) How long does the package take to reach the ground? (b) With what speed does it hit the ground?

The drawings show three identical blocks sliding along horizontal surfaces. Each block has a different mass, as indicated. The coefficient of kinetic friction in each case is the same.

A diamond has a density of 3.5 g/cm^3. What is the mass of a diamond with a volume of 0.3 cm^3? A) 11 g B) 1.2 g C) 1.05 g D) 0.086 g

Difference between mass and weight worksheet

a roller coaster is hard to stop because it has a lot of inertia. Use Newton's first law of motion to explain why you feel tossed around whenever a roller coaster goes over a hill and through a loop.

Is balancing an egg on the equinox science or pseudoscience

What does a speedometer measure? A. Average speed B. Acceleration C. Speed D. Velocity

How does increasing the amount of charge on an object affect the electric force it exerts on another charged object?

A diffraction grating is illuminated simultaneously with red light of wavelength 670 nm and light of an unknown wavelength. The fifth-order maximum of the unknown wavelength exactly overlaps the third-order maximum of the red light.