A70 kg runner exerts a force of 35n. what is the acceleration of the runner

The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?