Is velocity a scalar or a vector

If you weigh 100 kilograms on Earth, would your mass be 100 kilograms too (on Earth) ?

What type of motion occurs when an object spends around and axis without altering its linear position?

All electric devices are required to have identifying plates that specify their electrical characteristics. The plate on a certain steam iron states that the iron carries a current of 6.00 A when connected to a source of 1.20 ✕ 102 V.

Four students push carts filled with sports equipment across the gym. Each student pushes with the same amount of force. which cart has the greatest change in speed

Which form of energy is a non renewable source of energy l?

What is a lenticular (S0) galaxy? A galaxy with a disk and central bulge like a spiral galaxy, but with no spiral arms A galaxy with a smooth brightness profile, lacking the central bulge and disk of a spiral galaxy A spiral galaxy with fuzzy and

Which process causes wells on land to become saline, making them unusable for drinking water? A. Erosion B. Echo sounding C. Eutrophication D. Groundwater infiltration

A farmer uses a tractor to pull a 150 kg bale of hay up a 15∘ incline to the barn at a steady 5.0 km/h. The coefficient of kinetic friction between the bale and the ramp is 0.40. Part A What is the tractor's power output?

Identify the conditions for an elastic collision in a closed system. Check all that apply. Energy is conserved. Velocities may change. Momentum is conserved. Kinetic energy is conserved. Objects stick together after the elastic collision.

When the velocity of a mass on a spring is zero, the acceleration is at