3 years ago

If you put a penny in each light spot, explain which one will receive the most energy.

Physics

1 answer:

SIZIF [17.4K]3 years ago

8 0

If you put a penny in each light spot the penny that the light is shining on will recive the most energy.

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3 years ago

At the local swimming pool, the diving board is elevated h = 8.5 m above the pool surface and overhangs the pool edge by L = 2 m

Tasya [4]

Answer:

Part a)

$t_w = \sqrt{\frac{2h}{g}}$

Part b)

$t_w = 1.32 s$

Part c)

$d_w = 6.88 m$

Explanation:

Part a)

As we know that the diver will have zero velocity in vertical direction

so here we can say that

$\Delta y = v_y t + \frac{1}{2}a_y t^2$

$h = \frac{1}{2}gt^2$

$t_w = \sqrt{\frac{2h}{g}}$

Part b)

as we know that

$h = 8.5 m$

$g = 9.81 m/s^2$

so we will have

$t_w = \sqrt{\frac{2(8.5)}{9.81}}$

$t_w = 1.32 s$

Part c)

Distance covered by diver from the edge of the pool is given as

$d_w = L + v_w t_w$

$d_w = 2 + (3.7)(1.32)$

$d_w = 6.88 m$

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4 years ago

the weigh of an unloaded mazda Cx-5 is appromimately 3300 pounds. what is the weight in units of newtons.

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14,697.13

Hope this Helps you :)

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