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3 years ago

A watt is equal to ____

Physics

2 answers:

alexira [117]3 years ago

7 0

One Joule per second. It's the time rate at which energy is used or produced. In the most basic units

Bond [772]3 years ago

4 0

A watt is equal to 1 joule/second

hope this helps :)

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You will measure and record the time it takes the cart to travel certain distances, and then complete some calculations. In the

natka813 [3]

Answer:

Take the measurement of the distance (d) with a meter rule (in meters) and also measure the time (t) of the travel in seconds with a stopwatch.

question: What is the speed of the cart?

Explanation:

The speed of an object in motion is the distance covered by the object with respect to time, that is, the ratio of distance covered to the time taken to reach that distance.

Speed = distance / time

= d (in meters m) / t (in seconds s) = m/s

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3 years ago

20 POINTS

aev [14]

Answer:

Explanation:

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3 years ago

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If you saw a waxing gibbous moon what phase would you expect one week later?

Leona [35]

Seven days after a waxing gibbous moon, the moon will be waning gibbous, and at some point during that seven days, it will have been Full.

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3 years ago

A car's bumper is designed to withstand a 6.48-km/h (1.8-m/s) collision with an immovable object without damage to the body of t

ELEN [110]

Answer:

6402.86 N

Explanation:

taking into account the energy-work theorem, we can write the following equation

$\begin{gathered} W=K_f-K_i \\ Fd=\frac{1}{2}mv_f^2-\frac{1}{2}mv_i^2 \end{gathered}$

Where F is the force, d is the distance, m is the mass, vf is the final velocity and vi is the initial velocity.

Solving for F, we get:

$F=\frac{mv_f^2-mv_i^2}{2d}$

Replacing m = 830 kg, vf = 0 m/s, vi = 1.8 m/s, and d = 0.210 m, we get:

$F=\frac{(830)(0)^2-(830)(1.8)^2}{2(0.210)}=-6402.86\text{ N}$

Therefore, the magnitude of the force is 6402.86 N

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1 year ago

When is the pressure of the man on the ground more – lying position or standing position? Explain.

lisov135 [29]

The man on the ground in standing position has more pressure. This is because when he stands, only his legs are in contact with the ground. While lying, his body is more in contact with the ground, therefore, he exerts less pressure.

To the point, a manin standing position on the ground had more pressure.

More is the area of contact, less is the pressure efforted.

Thank you...

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3 years ago