Two balls are thrown straight up. the first ball is thrown with twice the initial speed of the second. ignore air resistance. how much higher will the first ball rise?]

This graph is accurate because A. electromagnetic waves cannot travel through a vacuum. B. mechanical waves move faster than electromagnetic waves. C. mechanical waves cannot travel through a medium. D.

How much will the kinetic energy of a school bus increase if its velocity is tripled? A. It will be two times greater. B. It will be three times greater. C. It will be six times greater. D. It will be nine times greater.

What is the purpose of an experiment design?

A car travels 100 km in the first two hours, stops for half an hour and then travels 200 km in the next four hours. Find the average speed of the car

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?

Which of the following best explains why an explosive charge in a cannon can cause a cannonball to fly out of the cannon with a high velocity? A. because chemical potential energy can convert to gravitational potential energy B.

Distance divided by time what is velocity

The decay constant of a radioactive nuclide is 4.6 x 10^-3 s^-1. What is the half-life of the nuclide? 2.5 min 2.0 min 1.4 min 3.6 min 3.1 min

A furlong is an old british unit of length equal to 0.125 mi, derived from the length of a furrow in an acre of ploughed land. a fortnight is a unit of time corresponding to two weeks, or 14 days and nights.

What is the unit measurement for pain relief tablets and is it SI units Or English system?