A ball is released from a hight above the ground, find the velocity after 5 sec. take g as 10m/square

How do I calculate density?

A long solenoid that has 1,130 turns uniformly distributed over a length of 0.430 m produces a magnetic field of magnitude 1.00 10-4 T at its center. What current is required in the windings for that to occur?

What is evidence and reasoning that the continents are still moving today

In a process called photosynthesis, plants use carbon dioxide and water, along with energy from sunlight, to produce sugar and oxygen.

A bicycle tire is spinning clockwise at 2.50 rad/s. During a time period Dt 5 1.25 s, the tire is stopped and spun in the oppo - site (counterclockwise) direction, also at 2.50 rad/s.

Noah Formula is in an airplane which is flying at constant speed in a circular course of radius 6500 m, circling O'Hare's airplane prior to landing. Noah observed that the plane completes each round trip in 345 seconds (5 minutes & 45 seconds).

Two pieces of metal with exactly the same mass are placed on a surface in bright sunlight. The temperature of the 1st block increases by 3°C while the temperature of the 2nd increases by 8°C. If the specific heat of the 2nd block is 0.

The correctly balanced equation for H202 - H2O + O, is A) H202 - 2H2O + O2 B) H302 - H20+20, C) 2H, 02 - - 4H20 + 0, D) 2H, 02 - 2H30 + 0,

What happens to the wavelength of a wave if you increase the frequency?

In a transverse wave, the particle motion is what to wave motion? A. perpendicular B. parallel