Which group of quantities below consists only of scalar quantities? which group of quantities below consists only of scalar quantities? average speed, displacement, time interval?

An object weighs 10N in air and 70N in water. What is it's weight when immersed in a liquid of relative density 1.5?

How high a hill would a 75 kg hiker has to climb to increase her gravitational potential energy by 10000 j

The acceleration due to gravity on the moon is about 5.4 ft/s2. If your weight is 150 lbf on the earth: What is your mass on the moon, in slugs.

What does N. W. A means?

According to the universe's total amount of energy does not change

A tree is standing in the middle of a meadow. As you watch, the wind begins to blow and the tree bends. Which statement best explains how you could tell that a net force was acting on the tree? OA) The tree had momentum.

A 5.1 kg black bear cub weighs 49.98 N. The cub is carried by its mother up into the safety of a white pine tree.

Which location is associated with persistent upwelling of cold water to the ocean surface?

What type of electromagnetic radiation is associated with the peaks in this spectrum chem 237?

Why is it necessary to eliminate absolutely all invasive fire ant colonies to eradicate the invasive population? a. Every colony has a major impact on native flora and fauna. b. Because the last colony found is the one housing the invasion's queen.