An electrical discharge between parts of clown or a cloud in the ground is called?

Moving a distal part of arms or legs to follow a circular path is:

A 300-kg bear grasping a vertical tree slides down at constant velocity. the friction force between the tree and the bear is

While a constant total force of 17 n is exerted on a cart, the cart's acceleration is 5 m/s2. find the mass of the cart?

A rock thrown with speed 8.50 m/s and launch angle 30.0 ∘ (above the horizontal) travels a horizontal distance of d = 19.0 m before hitting the ground. from what height was the rock thrown? use the value g = 9.800 m/s2 for the free-fall acceleration.

Which of the following is correctly paired? A. Red blood cells - plasma B. White blood cells - thrombocytes C. Platelets - thrombocytes D. Red blood cells - leukocytes

What do astronomers mean by light pollution?

Is an unopened bottle of soda a saturated solution?

Light in air enter crown glass (n = 1.52) at an angle of 35 degrees. What is the refracted angle?

If a star's parallax angle is too small to measure, what can you conclude about the star's distance from the Earth?

Calculate the energy needed to heat 4 kg of water from 25 degrees c to 45 degrees c