What does a velocity measurement include that a speed measurement does not? A: Time B:direction C:distance D: acceleration

Abaseball picther can throw a ball at about 90 miles per hour, v = 40 m/s, on solid rock ground. we now put him into space. when he throws the ball, which weighs mb = 0.15 kg moves away from himat the same speed. how long does it take the ball thrown in space to travel the 30 meters to the batter? he weighs mp = 100kg

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

Of is j/kg·k. if a 2.6 kg of isk to k, is ?