Which factors affect the gravitational force between two objects?

distance and velocity

mass and distance

mass and weight

acceleration and weight

Which of the following statements is true? 1. The 2s orbital in the hydrogen atom is larger than the 3s orbital also in the hydrogen atom. 2. The hydrogen atom has quantized energy levels. 3.

A water wave has a frequency of 2 hertz and a wavelength fo 5 meters. Calculate is speed

As the bright sun shines upon the water, the water slowly disappears. the same sunlight gives energy to the surrounding plants to convert water and carbon dioxide into sugar and oxygen gas which change is physical and which is chemical

Which of the following causes ocean tides on earth only the sun only the moon the sun and the moon the sun, moon, and all the planets

Q13. An electric bulb draws a current of 0.8A and works on 250V on the average 8 hours a day, if energy costs Rs 3 per kWh. Calculate monthly bill for 30 days.

if the distance of separation begin two objects is doubled, is the gravitational force between the objects increased or decreased? by what factor?

A researcher measures the thickness of a layer of benzene (n = 1.50) floating on water by shining monochromatic light onto the film and varying the wavelength of the light.

A rock has a height of 4 cm, a length of 5 cm, and a width of 2 cm. what is the volume of the rock?

The filament of a certain lamp has a resistance that increases linearly with temperature. When a constant voltage is switched on, the initial current decreases until the filament reaches its steady-state temperature.

What is the mass number of the particle emitted from the nucleus during beta minus decay? What kind of charge does the particle emitted from the nucleus during beta minus decay have?