It is easier to to pull the bucket of water from well until it is inside the water but difficult out of water? why

A parachutist descending at a speed of 15.1 m/s loses a shoe at an altitude of 41.2 m. What is the speed of the shoe just before it hits the ground? The acceleration due to gravity is 9.81 m/s^2.

While cruising at 9,500 feet MSL, the fuel/air mixture is properly adjusted. What will occur if a descent to 4,500 feet MSL is made without readjusting the mixture?

Which wave has a disturbance that is only parallel to the wave motion?

A sound wave has a frequency of 192Hz and travels the length of a football field, 91.4m in 0.267s. What is the period?

A chemist must dilute 58.00ml of 13.5 aqueous silver (II) oxide solution until the concentration falls to 5.00M. He'll do this by adding distilled water to the solution until it reaches a certain final volume.

Which term defines the energy of motion? a. chemical energy b. electrical energy c. gravitational energy d. kinetic energy user: what is electromagnetic energy that travels in transverse waves? a. nuclear energy b. potential energy c.

The mass of a lift is 600kg. the maximum tensile force that the cable supporting the lift can withstand is 7kN. Calculate:maximum upwards acceleration allowed?

In an experiment if doubling the manipulated variable results in doubling of the responding variable the relationship between the variable is a (n) ?

What color does Indigo turn things?

Why is temperature a good criterion for searching for earth like exoplanets