a baseball player picks up a ball from the back of the field and throws it towards home plate with a speed of 47.9m/s at an agngle of 32.1 degrees above the horizontal. How far does it go before its caught by another player

Which notation is used to represent an alpha particle? a. b. c. d.

A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)