O núcleo de um átomo possui 5 prótons e 6 nêutrons. Determine o número atômico (Z) r o. número de massa (A)

A rock is thrown off of a 100 foot cliff with an upward velocity of 45 m/s. As a result its height after t seconds is given by the formula?

A SUV is towing a trailer and accelerating on a level road. The force that the SUV exerts on the trailer is

Select the choice that best fits the measurement, scalar or vector.

Desert sand is very hot in the day and very cool at night. what does this indicate about its specific heat capacity?

Which energy transformation takes place when a firecracker explodes? nuclear to kinetic and chemical • mechanical to electromagnetic and electrical • chemical to thermal and electromagnetic

Why fan rotates in a clockwise direction and why not in a anti clockwise direction

If the force of gravity increases, which mearsurement will change and how? A.) weight decreases B.) mass increases C.) mass decreases D.) weight increases

A 6.0 kg box slides down an inclined plane that makes an angle of 39° with the horizontal. If the coefficient of kinetic friction is 0.19, what is the magnitude of the acceleration, in m/s2, of the box down the slope?

Identify the following as a suspension or a colloid. sand in water

A cyclist starts at a position of 0 m and takes 3 s to move east to a position of + 8 m. He then cycles west to a position of + 5 m which takes an additional 2 s. What is the cyclist's displacement? a. + 11mb. - 8mc. - 5m d. + 5m