In Newton's cannonball experiment, if the velocity is equal the orbital velocity the Cannon ball will
O stay in orbit
O fall to the earth
O escape the earth
O none of the above

Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = π/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?

How many molecules are present in 3 mols of silicon dioxide (sio2)?

Which process is represented by the pv diagram? a. the isobaric process b. the isovolumetric process c. the isothermal process d. the adiabatic process