How much work does a mother do if she lifts each of her twin babies upward 1.0? Each baby weights 90N

30 . Which of the following represents the statement "The difference of two square numbers is positive

Give reason : the action and reaction do not lead to equilibrium?

Approximately how fast is Jupiter orbiting the Sun? Approximately how fast is Jupiter orbiting the Sun? 10 km/skm/s a little less than 15 km/skm/s 20 km/skm/s cannot be determined from the information provided

The motion of a car on a position-time graph is represented with a horizontal line. What does this indicate about the car's motion? A. It's not moving. B. It's moving at a constant speed. C. It's moving at a constant velocity. D. It's speeding up.

Compare salt marshes and mangrove forests and explain why mangrove forests are such critical habitats on high energy coasts.

To calculate power, divide the amount of energy transferred by ... ?

Human skin color varies widely around the world, and children do not always exhibit the exact same coloring as their parents. Based on this information, what is true about human skin color? Skin color is not a genetic trait.

A ball whose mass is 0.4 kg hits the floor with a speed of 4 m/s and rebounds upward with a speed of 2 m/s.

A painter on a ladder, painting the ceiling of a room comments. "It is hotter up here by the ceiling than it is down on the floor". Explain why his observation is correct.

Mass affects/does not affect the conservation of energy?