Make n the subject of the equation sin (c) = 1 divide by n

What forces act on a falling leaf?

A compound is 24.7% calcium, 1.2% hydrogen, 14.8% carbon, and 59.3% oxygen. write the empirical formula and name the compound.

A jet plane is moving at a constant velocity on a flat surface. Which forces act against the forward motion of the plane? A. Gravity and engine thrust B. Engine thrust and friction C. Friction and air resistance D. Air resistance and gravity

How are the electric field lines around a positive charge affected when a second positive charge is near it? The field lines combine with the lines around the second positive charge.

A 72-tooth gear is connected to a 12-tooth gear. If the large gear makes one complete turn, how many turns does the small gear make?

The potential difference between the terminal of an electrical heater is 60v when it draw a current 4A fron the source. What current will the heater draw if the potential difference is increased to 120v?

Which answer choice best explains why nuclear reactions release more energy than chemical reactions? Electrostatic forces of repulsion are thousands of times stronger than gravitational forces.

A train's mass is 18181.81 kg. What is its weight?

a 3.0m long frictionless pendulum swings with a maximum angluar displacement of 10 degree from the vertical. at its lowest position the kinetic energy of the pendulum is 20.0j what is the potential energy of the pendulum when the kientic energy is 5.

How are hypotheses and theories related to each other?