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Bingel [31]
3 years ago
7

What 2 properties are used to classify radiation

Physics
1 answer:
ahrayia [7]3 years ago
6 0

Large amount of energy is release

Temperature and pressure have no effect on the rate qt which radiation is emitted

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Samuel tripped while playing basketball and skinned his knee on the concrete. Many of the skin cells on that knee were killed or
kvv77 [185]
The answer is B. Old cells need to create new cells to replenish the ones that were lost.
3 0
3 years ago
A baseball player throws a baseball at a speed of 40 meters per second at an angle of 30 degrees. What is the velocity of projec
Vesna [10]

Answer:

The horizontal component of the velocity is the cosine of 30 degrees multiplied by 40m/s. The cosine of 30 degrees is the 0.8660 . To get the speed, multiply by 40m/s. This equals 34.64, which is approximately 35m/s.

Hope it helpss :)

3 0
2 years ago
Read 2 more answers
If the speed of a wave doubles while the frequency remains the same, it means
sattari [20]

Answer:

Explanation:

Velocity of a wave is describe as

velocity =Frequency × Wavelength

Mathematically

v = fλ

Hence, Frequency, F = v / λ

Wavelength λ = v/f

So, if the frequency is kept constant, wavelength of the wave becomes directly proportional to velocity of the wave.

And this implies that, as the speed double, the wavelength is double.

5 0
3 years ago
Say a funny joke and whoever makes me laugh the hardest gets brainliest or however u spell it haha
nadezda [96]
Ight bet
I told my friend she was drawing her eye brows to high and she look surprised

You don’t need a parachute to go skydiving but you do need it to go twice

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6 0
2 years ago
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7. Imagine you are pushing a 15 kg cart full of 25 kg of bottled water up a 10o ramp. If the coefficient of friction is 0.02, wh
pentagon [3]

Answer:

The frictional force needed to overcome the cart is 4.83N

Explanation:

The frictional force can be obtained using the following formula:

F= \mu R

where \mu is the coefficient of friction = 0.02

R = Normal reaction of the load = mgcos\theta = 25 \times 9.81 \times cos 10 = 241.52N

Now that we have the necessary parameters that we can place into the equation, we can now go ahead and make our substitutions, to get the value of F.

F=0.02 \times 241.52N

F = 4.83 N

Hence, the frictional force needed to overcome the cart is 4.83N

4 0
3 years ago
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