What is a function of the pineal gland in the endocrine system

Salma is riding her bicycle. She rides 25.6 kilometers in 4 hours. What is her speed?

Haley rubs a cotton cloth along a plastic strip. The plastic strip becomes positively charged. Why did this happen? A. The plastic strip gained protons from the cotton. B. The plastic strip lost protons to the cotton. C.

An object has a weight of 5.10 N at sea level, where the acceleration is 9.81. What is the acceleration due to gravity on the object if it is placed in a spaceship 1,000km above sea level, where gravity exerts a force of 3.81N on the object

Does a large object traveling slowly or a small object going fast have a greater momentum?

starting from rest, a dog drags a 100.0 kg box for 3.00m as shown. The force diagram indicates the forces acting on the box. what is the work done by the dog?

Two children pulling the rope with the same force in opposite direction is that an unbalanced force or a balanced force

During sublimation particles in a solid room deodorizer move directly into the air as a gas how does the movement of the deodorizer particles change? the particles ___.

A 50-g ball rolls across the table at 2 m/s. A 100-g ball rolls across the same table at 1 m/s. Which ball has more momentum?

The cross section area of a hole is 725cm^2. Given that the area of a circle is A=3.14r^2, find the radius of the hole.

How long does it take the moon to go from full-moon phase to new-moon phase