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kakasveta [241]
3 years ago
7

A blank is a quality that has magnitude and direction

Physics
1 answer:
Charra [1.4K]3 years ago
4 0
A vector has magnitude and direction.
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Helppppp!!<br> can a current run through a metal conductor can create a magnetic field
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3 years ago
Which of the following does not lead to addiction?
zloy xaker [14]

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Obesity does not lead to addiction. Obesity is a weight condition characterized by a body.

Explanation:

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When drawing a Bohr model for an element that has 16 electrons, how many electrons would be placed in the third energy level?
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There would be 6 electrons placed on the third energy level.
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3 years ago
A roller coaster has a "hump" and a "loop" for riders to enjoy (see picture). The top of the hump has a radius of curvature of 1
aivan3 [116]

Answer:

Part a)

F_n = 306 N

Part b)

v = 12.1 m/s

So this speed is independent of the mass of the rider

Explanation:

Part a)

By force equation on the rider at the position of the hump we can say

mg - F_n = ma_c

now we will have

mg - F_n = \frac{mv^2}{R}

F_n = mg - \frac{mv^2}{R}

now we have

F_n = 100(9.81) - \frac{100(9^2)}{12}

F_n = 981 - 675

F_n = 306 N

Part b)

At the top of the loop if the minimum speed is required so that it remains in contact so we will have

F_n + mg = ma_c

F_n = 0 at minimum speed

mg = \frac{mv^2}{R}

v = \sqrt{Rg}

v = \sqrt{15 \times 9.81}

v = 12.1 m/s

So this speed is independent of the mass of the rider

5 0
3 years ago
A 1.120 kg car is traveling with a speed of 40 m/s. find its energy
Aleonysh [2.5K]

Answer:

896 kJ

Explanation:

KInetic Energy = 1/2 m v^2

                         = 1/2 (1120)(40^2) = 896 000 J    or  896 kJ

4 0
2 years ago
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