3 years ago

How to find wavelength

1 answer:

4 0

If the wavelength is given, the energy can be determined by first using the wave equation (c = λ × ν) to find the frequency, then using Planck's equation to calculate energy. Use the equations above to answer the following questions. 1. Ultraviolet radiation has a frequency of 6.8 × 1015 1/s.

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When serving a tennis ball, a player hits the ball when its velocity is zero (at the highest point of a vertical toss). The racq

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Explanation:

Given

initial velocity of ball $u=0$

Force exerted by racquet $F=540 N$

time period of force $t=5\ ms$

final velocity of ball $v=45\ m/s$

Racquet imparts an impulse to the ball which is given by

$J=F\Delta t=\Delta P$

$J=540\times \Delta t=m(45-0)$

$m=\frac{540\times 5\times 10^{-3}}{45}$

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C and D are units of length or distance.
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2 years ago

A circle graph shows that one-fourth of the students in a particular school ride the bus every day. What is this equivalent meas

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