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BigorU [14]
3 years ago
12

Q.1. What determines the rate at which energy is delivered by a current ?​

Physics
1 answer:
aksik [14]3 years ago
8 0

Explanation:

The rate of consumption of electric energy in an electric appliance is called electric power. Hence, the rate at which energy is delivered by a current is the power of the appliance.

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Would sound travel faster in an oven or a freezer?
statuscvo [17]

Answer:

An Oven

Explanation:

The heat is higher, so it moves faster. Shile in a freezer the particles are extremely slow!

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3 years ago
To get to your baseball game, you had to drive 2 kilometers north, then 5 kilometers west, and finally 2 kilometers south. What
Vesna [10]
Answer is C. 5 km west
7 0
2 years ago
A boy coasts down a hill on a sled, reaching a level surface at the bottom with a speed of 5.9 m/s. if the coefficient of fricti
bagirrra123 [75]
Frictional force = vertical force x coeff of friction = 590N x 0.045 = 26.55N

Mass of boy and sled = 590N / g = 590N / 9.8m/s^2 = 60.20 kg

Deceleration due to friction = 26.55N / 60.20kg = 0.44 m/s^2.

For constant acceleration we have:

v = u + at, where v is the final velocity, u is the initial velocity, a is the acceleration, and ti is time. In this case v = 0, u = 5.9 m/s, a = -0.44 m/s^2. So we have
0 = 5.9 - 0.44t
which gives t = 5.9 / 0.44 = 13.409 s.

Distance traveled in this time d = ut + 0.5at^2 = 5.9 x 13.409 - 0.5 x 0.44 x 13.409^2 = 39.56 m

<span>Answer: </span>40 meters
8 0
3 years ago
In chemical reactions, energy is absorbed or released in the form of:
dsp73

Answer:

all chemical reaction involved in early enough energy used to break bonds in reactants and energy released when you want from product

Edith a remake reaction absorb energy and epidemic reaction release energy flow of conversion of energy states that matter cannot be created or destroyed .

6 0
3 years ago
How is science different from other subjects that involve thought, such as art, philosophy, and religion?
shusha [124]
A: Science is more objective, since it is predominantly based on evidence.
4 0
2 years ago
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