a cube of sides 10cm is partly filled with sand of density 3.8g/cm3. If the weight of the sand is 200g, find the height in mm up to which it is filled in the container?

How do gravity and dark matter shape the galaxies and affect their environment?

Infer why the output force exerted by a rake must be less than input force?

This passage describes a chemical reaction. Read the passage. Then, answer the question below. As the cells in your body break down food, a poisonous substance called ammonia (NH3) begins to build up in your blood.

What is the effect of friction on a moving object

If an object's mass is decreasing while a constant force is applied to the object, would its acceleration decrease, increase, or remain the same?

What are two ways that convention currents in the ocean distribute the suns energy?

A 535 kg roller coaster car began at rest at the top of a 93.0 m hill. Now it is at the top of the first loop-de-loop. This roller coaster's track is nearly frictionless, so resistance can be ignored. Using g = 9.

A bulldozer does 45,000 joules of work to push a boulder a distance of 30 meters. How much force is applied to push the?

The atomic emission spectra of a sodium atom on earth and of a sodium atom in the sun would be

The Mississippi River carries tons of tiny rock fragments called sediments into the Gulf of Mexico. What do u think will happen to these sediments in a few million years