A potato launcher uses a spring that can apply a force of 20N to potato’s. He launched a 150 gram potato, what is the acceleration? Then he launched a 200gram potato what is the acceleration? I WILL GIVE BRAINIEST PL HELP

Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net

Your target variable is δf, the magnitude of the difference in frequency between the waves emitted from the sonar device and the waves received by the device after reflecting off the whale. write an expression for δf in terms of the relevant frequencies using the subscript notation introduced above.

Which changes would result in a decrease in the gravitational force btween two objects? check all that apply