2 years ago

Which of these causes summer in the northern hemisphere?

Physics

1 answer:

MrRa [10]2 years ago

3 0

Answer:

The northern hemisphere receives more direct sunlight during the summer.

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Factor the expression 27x-18y

Eva8 [605]

Answer:

9(3x-2y)

Explanation:

27x-18y, the common factor here is 9

9(3x-2y)

7 0

2 years ago

A bike accelerates uniformly(from rest to a speed of 7 m/s over a distance of 40 m. Determine

marshall27 [118]

Answer:

$0.61 m/s^2$

Explanation:

The bike's acceleration can be found by using the following suvat equation:

$v^2-u^2=2as$

where

v is the final velocity of the bike

u is the initial velocity

a is the acceleration

s is the distance covered

For the bike in the problem,

u = 0

v = 7 m/s

d = 40 m

Solving the equation for a, we find the acceleration:

$a=\frac{v^2-u^2}{2s}=\frac{7^2-0}{2(40)}=0.61 m/s^2$

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3 years ago

Is ‘velocity’the displacement of an object during specific unit of time?

babunello [35]

Answer:

Yes

Explanation:

The displacement covered by a body in unit time is called velocity.

5 0

3 years ago

Read 2 more answers

What is the net power that a person with surface area of 1.20 m2 radiates if his emissivity is 0.895, his skin temperature is 27

marissa [1.9K]

Explanation:

Below is an attachment containing the solution.

4 0

2 years ago

What is the mechanism of hydraulic machine

nata0808 [166]

Answer:

The hydraulic press allows the applied force (F1) to be converted into a higher force (F2) along some path as many times as the surface of the driven hydraulic cylinder (A2) is larger than the surface of the driving hydraulic cylinder (A1). The hydraulic press works on the basis of Pascal's law, which reads: External pressure is transmitted through the fluids equally in all directions.

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2 years ago