Adog is running at 6.98 m/s. his human calls to him and 3.56 seconds later he is running at 6.18 m/s. what is his acceleration during this time?

Heat from the sun reaches earth to a. radiation b. convection c. conduction

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

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation