What element has 7 neutrons, 7 protons and 7 electrons?

How much force is needed to accelerate an object of mass 90 kg at a rate of 1.2 m/s2? 0.013 N 75 N 108 N 1080 N

The strength of the electric field 0.5 m from a 6 µC charge is positive N/C. (Use k = 8.99 * 109 N• and round answer to the nearest whole number.)

What data are needed to calculate the actual mechanical advantage of a machine? efficiency and force of friction input distance and output distance work input and work output input force and output force

If a forces of 40 newtons moves a cart a distance of 9 meters, the work done is?

A 2kg object is moving horizontally with a speed of 4 m/s. How much net force is required to keep the object moving at this speed and in this direction

A long, thin rod parallel to the y-axis is located at x=-1.0 cm and carries a uniform linear charge density of + 1.0 nc/m. a second long, thin rod parallel to the z-axis is located at x=+1.0 cm and carries a uniform linear charge density of - 1.

A meter is measured in?

Explain why you poured the water into water before you identify the smell?

The force you exert on machine is called the?

22 What will NOT pollute the groundwater? F Motor oil spillage G Compost production H Injected radioactive waste J Lawn fertilizers