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xz_007 [3.2K]
3 years ago
10

Which type of radiation travels at the speed of light and penetrates matter easily?

Physics
2 answers:
goblinko [34]3 years ago
7 0
The radiation is ultra voilet or Gamma radiation , because their wave length is very short i e 1..0 to 2.5 (angstrom)Ao.
Alla [95]3 years ago
6 0

Answer:

D. gamma rays

Explanation:

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a bicycle accelerates at 1 m/s² from an initial velocity of 4 m/s² for 10s. Find the distance moved by it during this interval o
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Answer:

90 m

Explanation:

Acceleration, a=\frac {v-u}{t} where v and u are final and initial velocities respectively, t is the time taken

Substituting 1 m/s^{2} for a,  4 m/s for u and 10 s for t then

1*10=v-4

v=14 m/s

From kinematic equations

v^{2}=u^{2}+2as

Making s the subject then

s=\frac {v^{2}-u^{2}}{2a}=\frac {14^{2}-4^{2}}{2\times 1}=90 m

6 0
2 years ago
If 03.4 kg of water at 69°C is changed into steam at 100°C, how will the energy be used? specific heat capacity of water is 4200
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The answer is B.

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3 years ago
How many milligrams are equal to 8 grams?
Andre45 [30]

Answer:

it should be 8,000

Explanation:

because if you multiply the mass value by 1000, you will get 8,000  

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3 years ago
a 100 N block on a 30 incline, is being held motionless by friction. The coefficient of static friction between the block and th
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The answer would be 50N
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3 years ago
F. You get inside and you have to push the cart across a thick carpet. Describe
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Forces Due to Friction and Newton's Third Law

The forces on the cart include the forward force the horse exerts on the cart and the backward force due to friction at the ground, acting on the wheels. At rest, or at constant velocity, these two are equal in size, because the acceleration of the cart is zero.

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2 years ago
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