True or False - Could Usain Bolt be faster?

True

False

Which of these waves require a medium to travel through? Light wave Microwave Electromagnetic wave Sound wave

Which of the following represents a system that is completely open? A. a pressure cooker B. a pressurized canister of helium gas C. a capped soda bottle D. a port of boiling water

Sonic boom from a plane is an example of a shockwave. Give another example where a shockwave is produced

Question: Jimmy has two options for moving a piano up to the second floor of a hotel, which is 10 m above his current position. He can push the piano up 50 m ramp or lift the piano up with a rope wrapped around a pulley.

A block of mass 21 kg slides up a frictionless plane inclined at 13◦ with the horizontal under the influence of a force of 210 N acting parallel to the incline and up the incline. The acceleration of gravity is 9.8 m/s 2.

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.