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Inga [223]
3 years ago
11

Can I please have help

Physics
1 answer:
NeTakaya3 years ago
6 0

Answer:

it will usually increase

Explanation:

potato

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Um objeto de 200 kg é acelerado a 4 m/s2 sob ação de uma força F. Determine a distância deslocada pelo objeto sob ação dessa for
AnnZ [28]

Answer:c

Explanation:

3 0
3 years ago
Which of the following is the best example of kinetic energy being transformed into potential energy?
devlian [24]

Answer:

coasting down hill on a bicycle

Explanation:

Coasting down the hill on a bicycle is a typical example of how kinetic energy is being transformed to potential energy in a system.

Kinetic energy is the energy due to the motion of a body, it can be derived using the expression below;

      K.E  = \frac{1}{2} m v²

Potential energy is the energy due to the position of a body. It can be derived using;

     P.E  = mgh

m is the mass

v is the velocity

g is the acceleration due to gravity

h is the height

Now, at the top of the hill, the potential energy is at the maximum. As the bicycle coasts down the potential energy is converted to kinetic energy.  

6 0
3 years ago
Read 2 more answers
Question 36 pls<br> Physics
Lera25 [3.4K]

R=\frac{U}{I}=\frac{0.5V}{180\cdot10^{-6}A}\approx2.78k\Omega

7 0
3 years ago
PHYSICS PLEASE HELP EASY!!<br> I put C and it was incorrect; I'm so confused :((
devlian [24]

Answer:

the answer is A i took this class and it was hard but once you know it you will be a master

Explanation:

8 0
3 years ago
Calculate the wavelength associated with electrons moving with p.d of 1500v
Artist 52 [7]

Answer:

3.16X10∧-11 m

Explanation:

1/2 mv2 = qV (KE = Electric potential energy)

velocity = √2qV/m = √( 2X 1.6X10∧-19 X 1500/9.11X10∧-31)

2.3X10∧7m/s

now use De Broglie equation

λ = h/mv

= 6.62X10∧-34/( 9.11X10∧-31 X 2.3X10∧7)

3.16 X 10∧-11 m

or

use the above equations and substitute to get the final eqiation

λ = h/√(2mqV) = 3.16X 10∧-11 m

4 0
3 years ago
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