3 years ago

Sometimes i wish i wasnt alive....

Physics

2 answers:

schepotkina [342]3 years ago

7 0

Answer:

Swim, jogging, weight lifting, even walking daily maybe.

Explanation:

pshichka [43]3 years ago

5 0

Answer:

Swim, jogging, weight lifting are some activities to do. This will help the overall health of the heart and mind.

Explanation:

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During exponential growth, the rate of growth

alekssr [168]

The answer would be D

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4 years ago

An electric motor supplies 2,500 Watts of power in a 220 V circuit. What is the resistance of the motor? Be sure to include the

s344n2d4d5 [400]

Answer:

R = 19.36 ohms

Explanation:

Given that,

The power of an electric motor, P = 2500 Watts

The voltage of the circuit, V = 220 V

We need to find the resistance of the motor. We can find it as follows :

$P=\dfrac{V^2}{R}\\\\R=\dfrac{V^2}{P}\\\\R=\dfrac{(220)^2}{2500}\\R=19.36\ \Omega$

So, the resistance of the motor is 19.36 ohms.

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3 years ago

What specific space object is shown in the picture below?

PIT_PIT [208]

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3 years ago

How do rechargeable batteries work? When a rechargeable battery is connected to electricity it changes the pressure inside and a

aalyn [17]

Question:

How do rechargeable batteries work?

Answer:

When a rechargeable battery is connected to electricity it changes the pressure inside and allows the rubber membrane to expand, thus releasing more energy next time its used. When plugged into the wall the electrons are sent back to rebuild the original dry cell (or metal). Rechargeable batteries are made exclusively of nitrogen which when exposed to electricity from and outlet can store a charge. When a battery is zapped by the electricity from the outlet it resets the system.

7 0

2 years ago

Select the correct answer. A ball is thrown straight down from the top of a building at a velocity of 16 ft/s. The building is 4

BartSMP [9]

Answer:

The ball takes 5s to reach the ground

Explanation:

in order to solve this problem we use the kinematics equation with gravity as acceleration:

$h=v_0t+1/2*gt^2$

we replace the values

$0=1/2*32t^2+16t-480$

We solve this quadratic equation:

t=5s

t=-6s (this solution has not physical sense)

8 0

3 years ago