1. Fill in the blanks. (3 pts)

Physics

2 answers:

elena-s [515]3 years ago

8 0

Answer:

a mass

b acceleration

mass is the matter in an object

force is a pull or push of an object or body

Usimov [2.4K]3 years ago

4 0

Answer:

a) mass

b) Newtons

c) momentum formula where p stands for momentum, m stands for mass, and v stands for velocity

Hope this helps!

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A wave with a frequency of 840 cycles per second has what period? Please help me !!

sweet-ann [11.9K]

Answer:

0.005556

Explanation:

The period of a typical class at a high school might be 55 minutes; every 55 minutes a class cycle begins (50 minutes for class and 5 minutes for passing time means that a class begins every 55 minutes). The period for the minute hand on a clock is 3600 seconds (60 minutes); it takes the minute hand 3600 seconds to complete one cycle around the clock.

How to get period from frequency

The formula for the period is T = 1 / f, where "T" is period – the time it takes for one cycle to complete, and "f" is frequency.
To get period from frequency, first convert frequency from Hertz to 1/s.
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3 years ago

How do I learn French fast for an examination

alexandr402 [8]

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3 years ago

1 (KE, PE) An object of mass 90 lbm is projected straight upward from the surface of the earth and reaches a height of 900 ft wh

Natali5045456 [20]

Answer:

Initial kinetic energy will be 2608200 lbf-ft

Initial speed will be 240.7488 m/sec

Explanation:

We have given height h = 900 ft

Mass of the object m = 90 lbm

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