The equation for impulse is i = ft, where i is impulse, f is force, and t is time. the units for impulse are n . s.

a. what is the impulse when there is a force of 30 n for a time of 4 seconds?

b. what is the force when there is an impulse of 18 n. s for a time of 1.2 seconds?

(n. s) is n times x with . being times.

Acoil formed by wrapping 80 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 28.0° with the direction of the field. when the magnetic field is increased uniformly from 200 µt to 600 µt in 0.400 as, an emf of magnitude 80.0 mv is induced in the coil. what is the total length of the wire?

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

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