A 10 N force pulls to the right and friction opposes 2 N. If the

object is 20 kg, find the acceleration.

How long would it take light from the sun to reach mercury?

Which of the following is not a property of an acid? reacts with metals bitter taste reacts with carbonate turns litmus paper red

What is one way to increase the amplitude of a wave in a medium? A. by applying a vibration at the natural frequency of the medium B. by increasing the velocity of the wave source C.

mathematically in a series circuit how do you find the total resistance of the circuit as it relates to the other resistors

You are given two same party balloons (one filled with helium and the second is empty and rolled), the scale, graduated mass of 100 grams, and a pile of paper clips. Show how you would: • Calculate the volume of the balloon (no ruler).

A 1.00x10^3 crate is being pushed across a level floor at a constant speed by a force

How could you make a sound wave have a lower pitch

Ice caps at the north and south poles are very reflective the ice reflects light and heat rather than absorbing it.

When you jump straight up as high as you can, what is the order of magnitude of the maximum recoil speed that you give to the Earth? Model the Earth as a perfectly solid object.

Consider the Sun and Earth as a single system. How does the law of conservation of energy apply to this system? A) The energy from the Sun that reaches Earth is destroyed by Earth.