An object has an initial velocity of 15 m/s. How long must it accelerate at a constant rate of 3 m/s before its final velocity is

equal to twice its initial velocity?

If you enjoy teaching small or large glasses and being active every day which career would be a good fit for you

When a wave enters a new medium, it may speed up or slow down. What other properties of the wave do you think might change when it enters a new medium?

Jim is performing a magic show where he has to lie on the plank fixed with 1000 nails. He weighs 650N. Each nail has an area of 0.000001 m2. The pressure requires to penetrate through a person skin is about 700kPa.

Using the words mass and distance explain why astronauts experience less gravitational pull than on Earth?

What is the period of a sound wave having a frequency of 340. hertz? (1) 3.40 * 10^2 s (3) 9.73 * 10^-1 s (2) 1.02 * 10^0 s (4) 2.94 * 10^-3 s

What happens to the period of a spring-cart system motion when the system is in orbit inside the international space station?

Ovens, toasters, dryers, and heat lamps are examples of inventions that convert electrical energy to thermal energy, which is a kind of kinetic energy.

Why does Alpha Centauri appear to be yellow-white?

In order to determine speed, you must know

Which of the statements best describes the relationship between the surface of an object and the amount of friction it produces? A.) The smoother the surface of an object, the more friction it will produce. B.