Questions in physics

Questions in physics

[Terjawab] A basketball player achieves a hang time of 0.773 s in dunking the ball. What vertical height will he attain? The acceleration of gravity is 9.8 m/s\(^2\).

[Terjawab] A person walks 25 m west and then 45 m at an angle of 60 degrees north of east. What is the magnitude of the total displacement?

[Terjawab] What happens to the brightness of the light from each bulb as each new bulb is added?

[Terjawab] A basketball rolls off a 0.70 m high desk and strikes the floor 0.25 m away from the base of the desk. How fast was the ball rolling?

[Terjawab] Questions 1. Calculate the molar mass of an element. 2. Calculate the molar mass of a compound. 3. How do you determine the number of protons, electrons, and neutrons in an atom given its atomic number? 4. What are the key components of the Kinetic Theory?

[Terjawab] Is a satellite orbiting Earth free from Earth's gravity? Why or why not?

[Terjawab] Balls 1 and 2 are each thrown horizontally from the same height above level ground, but ball 2 has a greater initial velocity after leaving the thrower's hand. If air resistance is negligible, how do the accelerations of the balls and the times it takes them to hit the ground compare?

[Terjawab] To calculate the area of the front surface of a box, you: A. add the length to the height B. add twice the length to twice the height C. multiply the length by the height D. multiply the length by the height, then divide by two

[Terjawab] How do you derive the drift velocity equation [tex]I = nAve[/tex]?

[Terjawab] What are some physical changes that occur: 1. At school? 2. At home? 3. In nature?