1 HELP

A box is connected to a spring is extended to 200mm, and it stored 3578J of energy. Find the

force.

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

What was the first instrument to ever record an earthquake?

In which situation is the acceleration of a car negative? question 5 options: a)the velocity of a car was 75 km/hr over 4 hours. b)the velocity of a car reduced from 50 km/hr over one minute. c)the velocity of a car increased from 40 km. h to 75 km/h over 15 minutes. d)the velocity of a car was 45 km/hr at 2: 00pm and at 4: 00pm its velocity was 85 km/ht.