A soccer player kicks a 0.500kg ball from rest towards the o…

A soccer player kicks a 0.500kg ball from rest towards the opposing team’s net. The ball has a velocity of 25.0 m/s the instant after being kicked, and the player’s foot is in contact with the ball for 0.300 s. What is the average force exerted on the ball?

A soccer player kicks a 0.500kg ball from rest towards the o…

A soccer player kicks a 0.500kg ball from rest towards the opposing team’s net. The ball has a velocity of 24.0 m/s the instant after being kicked, and the player’s foot is in contact with the ball for 0.310 s. What is the average force exerted on the ball?

A mass m = 9.0 kg is attached to a spring and allowed to han…

A mass m = 9.0 kg is attached to a spring and allowed to hang in the Earth’s gravitational field. The spring stretches 2.2 cm before it reaches its equilibrium position (where the spring force balances gravity). If allowed to oscillate, what would be its frequency?