How much does it take a person to walk 12km north at a velocity of 6.5 km/h?

A projectile is able to orbit the Earth at what speed?

Why do elements need to be heated to emit color?

A sailboat has a mass of 2160 kg and experiences two horizontal forces. One is due to the action of the water on the hull of the boat and is directed east and has a magnitude of 1990 N.

A flea jumps straight up to a maximum height of 0.550 m. what is its initial velocity v0 as it leaves the ground?

For every factor of 10 difference in Keq' (e. g., going from 102 to 10, or from 10-3 to 10-4), what is the difference in standard free energy change, ΔG°' (kJ/mol) ?

Which of the following statements is true? The freezing and boiling temperatures of a substance are the same. The freezing and condensation temperatures of a substance are the same. The freezing and melting temperatures of a substance are the same.

What's bigger 32A or 32B

Two charged objects have a repulsive force of. 080 N. if the charge of both of the objects is doubled, then what is the new force?

A hiker leaves her camp and walks 3.5 km in a direction of 55° south of west to the lake. after a short rest at the lake, she hikes 2.7 km in a direction of 16° east of south to the scenic overlook.

A star has a mass of 1.36 x 1030 kg and is moving in a circular orbit about the center of its galaxy. the radius of the orbit is 2.1 x 104 light-years (1 light-year = 9.5 x 1015 m), and the angular speed of the star is 1.1 x 10-15 rad/s.