A piano emits frequencies that range from a low of about 28 hz to a high of about 4200 hz. find the maximum wavelength in air attained by this instrument when the speed of sound in air is 335 m/s. answer in units of m.

The IMA of a lever can be increased by decreasing the length between the applied effort and the pivot.

The higher the density the heavier it is

Before the invention of a wheel turning on an axle, ancient people moved heavy loads by placing rollers under them. (Modern people use rollers, too. Any hardware store will sell you a roller bearing for a lazy susan.

How long can the body maintain an anaerobic burst of energy

What term describes the ability of the heart and lungs to supply oxygen to the muscles for a long period of time? Question 1 options: Flexibility

Why did the chicken cross the road.

A 98.1 kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.69 rad/s. A monkey drops a 9.29 kg bunch of bananas vertically onto the platform.

7. A type of non-renewable energy would be: O wind O petroleum O water solar

A refrigerator is a system. The energy input into the refrigerator system (in the form of electricity) is the same as the amount of energy output from the system. Which of the following best describes the energy output of the system?

A 1,120 kg car is travelling with a speed of 40 m/s. Find its energy.