gravity increases proportionally with mass and it decreases as the square of the distance between two masses true false

A heavy object is dropped from a vertical height of 8.0 m. What is its speed when it hits the ground?

When scientists identify the age of a fossil they a. place it in a time period b. cut it up. c. decide if it's valuable. d. decide what continent it belongs on.

Use 3rd law to explain how a fish swims through water. Identify the force pairs and draw a diagram.

What is the kinetic energy k of the two-car system immediately after the collision? express your answer in terms of ve, vn, and m?

Which of the following is example of direct observation

why does electrical process signals often take the form of a current instead of voltage? two specific reasons for this.

An air bubble at the bottom of a lake 43.5m deep has a volume of 1.00cm/cubed. If the temperature at the bottom is 5.5 degrees celcius and at the top 21.0 degrees celcius, what is the volume of the bubble just before it reaches the surface. ... ?

A 2 kg laptop sits on the floor near a 4 kg jar of pennies. if the force of gravity between them is 3.42 * 10 ⁻¹⁰, how far apart are they?

What is the formula for wave velocity?

True or False. The magnetic fields of both Uranus and Neptune are highly tilted relative to their rotation axes and significantly offset from the planets' centers.