If you know the force applied to an object and measure its acceleration, which equation would you use to calculate the object's mass?

A block of mass 15 kg starts from rest and slides down a 20° angle inclined plane. the coefficient of kinetic friction is 0.3. after sliding a distance of 34cm, it contacts a spring of force constant 350 n/m.

a circuit contains 2 ohm and 4 ohm resistors connected in parallel, find the total resistance & the amount of current in each resistor if it was connected to a 12 v battery

What is 74000000 in scientific notation

A 2 kg object is moving horizontally with a uniform velocity of 4 m/s. how much net force is required to keep the object moving at this speed and in this direction

An extended period of well-below-average temperatures is known as a A. drought. B. ice age. C. cold wave. D. draft.

Two main pieces of evidence support the big bang theory and the idea that our universe is continually expanding: Doppler shift and cosmic background radiation. Explain how these phenomena provide evidence of the expansion of the universe.

How was bohr atomic model similar to Rutherford's model

A rigid container filled with a gas is placed in ice. What will happen to the pressure of the gas? And what will happen to the volume?

A man is sitting on a 20 m height building and his mass is 50 kg. Calculate the mechanical energy.

Which of the following correctly describes which types of waves travel through which types of mediums? A) Transverse waves travel through solids, liquids, and gases.