2 years ago

Please help: I don't know how to do these problems

Physics

1 answer:

antiseptic1488 [7]2 years ago

3 0

d =2.55.68m and t = 11.36s
In my opinion

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1. If the atomic number is 25, how many protons does it have?

ololo11 [35]

1. 25
2. 55-25 = 30

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3 years ago

Help with vectors question Pleasee<br><br>A+B+C=<br>A-B-C=<br>C-A-B=

Murljashka [212]

Answer:

A+B+C= 135

A-B-C= 45

C-A-B= -85

Explanation:

you have very nice penmanship pls give brainliest

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2 years ago

A boxer hits punching bag and gives it a change in momentum of 12 kg multiplied by m divided by s over 7.0ms what is the magnitu

mr_godi [17]

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2 years ago

An eagle carrying a trout flies above a lake along a horizontal path. The eagle drops the trout from a height of 6.1 m. The fish

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2 years ago

Read 2 more answers

Starting from rest, a 6.79 kg block slides 2.82 m down a rough 20.7 ◦ incline. The coefficient of kinetic friction between the b

Veronika [31]

Answer:

23.52092 J

Explanation:

m = Mass of block = 6.79 kg

s = Sliding distance = 2.82 m

$\theta$ = Angle of slide = 20.7°

$\mu$ = Coefficient of kinetic friction = 0.425

g = Acceleration due to gravity = 9.8 m/s²

Work done by the force of gravity is given by

$W=mgsin\theta\\\Rightarrow W=6.79\times 9.8\times sin20.7\\\Rightarrow W=23.52092\ J$

The work done by the force of gravity is 23.52092 J

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2 years ago