You give a shopping cart a shove down the aisle. The cart is full of groceries and has a mass of 15 kg. The cart accelerates at a rate of 3 m/s². How much force did you exert on the cart?

Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.