Physics, 18.10.2020 05:01 gabw2758

A boy throws a ball straight up into the air. It reaches the highest point of its flight after 4 seconds. How fast was the ball going when it left the boy's hand?

Answers: 1

Show answers

Another question on Physics

Physics, 22.06.2019 05:50

Give your knowledge of these things in your paper, you will compare and contrast analog and digital signals to determine which is more reliable for encoding and transmitting information. you’ll compare these features: signal shape numerical values for signal measurements amount of data that can be transmitted energy requirements privacy and security (ability of the signal to be encoded in a secret code) clarity of signal in the space provided, write down what you already know about any of these features. if you’re not sure, write down questions you might have about the features.

Answers: 3

Answer

Physics, 22.06.2019 09:30

Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?

Answers: 2

Answer

Physics, 22.06.2019 17:00

Adiver named jacques observes a bubble of air rising from the bottom of a lake (where the absolute pressure is 3.50 atm) to the surface (where the pressure is 1.00 atm). the temperature at the bottom is 4.00 ∘c, and the temperature at the surface is 23.0 ∘c.what is the ratio of the volume of the bubble as it reaches the surface (vs) to its volume at the bottom (vb)? if jaques were to hold his breath the air in his lungs would be kept at a constant temperature. would it be safe for jacques to hold his breath while ascending from the bottom of the lake to the surface?

Answers: 1

Answer

Physics, 22.06.2019 22:30

I’ve been stuck on this for a while

Answers: 1

Answer

You know the right answer?

A boy throws a ball straight up into the air. It reaches the highest point of its flight after 4 sec...

Questions