If an object is moving at a constant speed in one direction, what is needed to change its speed or direction?

The slotted link is pinned at o, and as a result of rotation it drives the peg p along the horizontal guide. compute the magnitude of the velocity and acceleration of p along the horizontal guide. compute the magnitudes of the velocity and acceleration of p as a function of θ if θ=(3t) rad, where t is measured in seconds.

Ice at 0.0∘c has a density of 917 kg/m3. a 3.00 cm3 ice cube is gently released inside a small container filled with oil and is observed to be neutrally buoyant. what is the density of the oil?

Acircuit is built based on this circuit diagram what is the equivalent resistance of the circuit? a.0.61 b.1.6 c.7.5 d.18