Aboy is exerting a force of 70 n at a 50-degree angle on a lawn mower. he is accelerating at 1.8 m/s2. round the answers to the nearest whole number. what is the mass of the lawn mower? kg what is the normal force exerted on the lawn mower?

25kg and 299N is right

i don’t know what the answer is i wish i

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.