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3 years ago

Which word best describes the tone of the poem "Sir Isaac Newton"? A. magical B. mystical C. series D. humorous

Physics

2 answers:

salantis [7]3 years ago

8 0

The answer to this question is b mystical

erma4kov [3.2K]3 years ago

6 0

a. magical i hope it help

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To complete a project, 200,000 Joules of work is needed. The time taken to complete the project is 20 seconds. How much power is

Leno4ka [110]

Answer:

10,000

Explanation:

200,000/20 = power needed

200,000/20 = 10,000

Hope this Helps!

5 0

3 years ago

Read 2 more answers

At t = 0 a car has a speed of 30 m/s. At t = 6 s, its speed is 14 m/s.

Hitman42 [59]

Answer:

-2.67 m/s²

Explanation:

a = Δv / Δt

a = (14 m/s − 30 m/s) / (6 s − 0 s)

a = -2.67 m/s²

4 0

3 years ago

A 615 N student standing on a scale in an elevator notices that the scale reads 645 N. From this information, the student knows

BARSIC [14]

Answer:

The elevator must be moving upward.

Explanation:

During the motion of an elevator, the weight of the person deviates from his or her actual weight. This temporary weight during the motion is referred to as "Apparent Weight". So, when the elevator is moving downward, the apparent weight of the person becomes less than his or her actual weight.

On the other hand, for the upward motion of the elevator, the apparent weight of the person becomes more than the actual weight of that person.

Since the apparent weight (645 N) of the student, in this case, is greater than the actual weight (615 N) of the student.

<u>Therefore, the elevator must be moving upward.</u>

8 0

3 years ago

Two objects exert a gravitational force on 8N on one another what would that force be if the mass of both objects were doubled?

jolli1 [7]

Gravitational force of attraction between two objects can be calculated from the following formula:
$F = \frac{m_1 \cdot m_2}{r^{2}}$
Where m with subscript stands for mass of the object and r is the distance between them.
When we double the mass of those two objects, distance between them stays the same, while in the numerator we have:
$2\cdot m_1 \cdot 2 \cdot m_2 = 4\cdot m_1 \cdot m_2$
When numerator in the second case 4 times greater than the 'original' numerator and denominator stays the same, force becomes 4 times greater.

3 0

3 years ago

When converted to a household measurement, 9 kilograms is approximately equal to a

Alex17521 [72]

Answer:

D) 19.8 lbs

Explanation:

1kg in household measurement is equal to 35.274 ounces. 35.274*9=317.466 ounces.

1kg is also equal to 2.205 lbs. 9*2.205=19.8416

9 kg is also equal to 9000 grams, but grams are not a part of the household measurement system

a) 9000 grams. b) 9000 ounces. c) 19.8 ounces. d) 19.8 pounds.

This leaves us with 19.8 lbs

4 0

3 years ago