Bernard wacks a 0.058-kg tennis ball at rest. He exerts a force of 12 newtons of a 0.1 second time interval. What is the final speed of the tennis ball

Why is alchemy not considered to be a science ?

If an object with an initial temperature of 300 k increases its temperature by 1°c every minute, by how many degrees fahrenheit will its temperature have increased in 10 minutes? (a) 6°f (b) 10°f (c) 18°f (d) 30°f

What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?