Pick the two correct statements.

A curtain blind uses a wedge.

B. A bicycle uses a wheel and axle.

C. A seesaw uses a lever.

D. An axe uses a pulley.

A). calculate the trajectory neglecting the force due to aerodynamic drag. (same as matlab assignment 1) b). calculate the trajectory using a constant drag coefficient of cd = 0.5. c).

Two ropes have equal length and are stretched the same way. The speed of a pulse on rope 1 is 1.4 times the speed on rope 2. Part A Determine the ratio of the masses of the two ropes (m1m2).

Based on the second law of thermodynamics, how would you expect a system to change over time? A. It would become more organized B. Its randomness would increase C. It would become more efficient D. Its energy would increase

The angular momentum of a freely rotating disk around its center is ldisk. you toss a heavy block horizontally onto the disk along the direction shown.

Which planet has a storm called the Great Dark Spot swirling in its atmosphere? a. Saturn b. Jupiter c. Uranus d. Neptune

Why is the sky blue all the time

Where did the rotational kinetic energy of the earth come from?

What is the mass in kg of a leopard in a tree if the tree branch is 36 m up and the leopard's gravitational potential energy is 29988 J?

Venus's average distance from the sun is 0.72 AU and Saturn's is 9.54 AU. Calculate the orbital velocity of Venus and Saturn around the sun. (The mass of the sun is 1.99 X 10^30 KG. an AU is 1.50 X 10^11 M.

Caleb's parent drove him to a swim meet 208 km away. It took them 2 hours, which included a 15-minute break to refuel. What was their average driving speed?