# Homework Help for Physics (page 6)

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What is the difference between distance and displacement?

21 Jun 2019

What are some examples of convex mirrors?

21 Jun 2019

Why are standard units of measurement important to scientists?

21 Jun 2019

. How to calculate the wavelength of the corresponding radio waves?

21 Jun 2019

What happens to wavelength as the frequency increases?

21 Jun 2019

What is shielding and deshielding in NMR? Can you give me an example

21 Jun 2019

What is shielding and deshielding in NMR? Can you give me an example?

21 Jun 2019

What are some examples of acceleration?

21 Jun 2019

What is the spring constant in parallel connection and series connection?

21 Jun 2019

What color light has the highest frequency?

21 Jun 2019

test

<iframe width="560" height="315" src="https://www.youtube.com/embed/uPoZOBzNt6A" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>

test text after video

19 Jun 2019

An ice chest at a beach party contains 12 cans of soda at 7Â° C.Each can of soda has a mass of 0.37 kg and a specific heat capacityof 3800 J/(kg Â· CÂ°). Someone adds a 6.8-kg watermelon at 25Â° C tothe chest. The specific heat capacity of watermelon is nearly thesame as that of water. Ignore the specific heat capacity of thechest and determine the final temperature T of the soda andwatermelon.
? Â° C

19 Jun 2019

a satellite is placed in a circular Earth orbit of radius equal to 64% the radius of the Moon's orbit. What is the period of the revolution in lunar months? (A lunar month is the period of the revolution of the moon.)

19 Jun 2019

A person sets a large box on the loft of his barn. The box has a mass of 32.4 kg. A rope runs from the box over a pulley to a hanger that the person starts to pile things on. When the hanging mass reaches 12.7 kg, the box in the loft starts to slide. What is the coefficient of static friction between the box and the loft? If the coefficient of kinetic friction is 20% less than the coefficient of static friction, what would the acceleration of the box be once it begins moving?

18 Jun 2019

The displacement of an object is x = (9.0 cm) cos (2.0 t +Ï/3), where x is in centimeters andt is in seconds. Calculate (a) the speed and accelerationat t = Ï/2 s
cm/s
cm/s2
(b) the maximum speed and the earliest time (t > 0) atwhich the particle has this speed,
cm/s
s
(c) the maximum acceleration and the earliest time (t >0) at which the particle has this acceleration.
cm/s2
s