How do you calculate energy lost due to friction in an experiment?

A hair dryer is a pump for air. Do a battery and a Genecon act like pumps for charge? Yes No

Jake is bowling with a 8 kg bowling ball. He rolls the ball at 7 m/s, and it hits one stationary pin with a mass of 2 kg. The pin goes flying forward at 12 m/s. How fast is the bowling ball now traveling?

A system has 600 j of heat and does 300 j of work. What is the change in internal energy?

if a spring stores 5j of energy when it is compressed by0.5m, what is the spring constant of the spring?

A scientist measures the growth of a bamboo plant over time. The table below shows the results. Time (hours) Height (cm) 10 1.2 20 1.5 30 1.8 40 2.1 50 2.4 60 2.8 What is the best inference for the height of the plant after 15 hours? A. 1.35 cm B. 1.

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.