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WITCHER [35]
3 years ago
8

Traits of an organisms passed from blank to offspring

Physics
1 answer:
Ostrovityanka [42]3 years ago
6 0

Answer:heredity

Explanation:

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Which statements about braking a car are true? A)The greater the kinetic energy of a car, the longer it takes for the car to sto
NikAS [45]

Answer:

option c  

Explanation:

Kinetic energy is due to the speed of a body.

K.E = \frac{1}{2}mv^2

When speed is doubled, the kinetic energy  is quadruple.

From third equation of motion, braking distance is also proportional to square of speed. Thus, when speed is doubled, the braking distance is quadruple.

Thus, option c is correct.

3 0
3 years ago
Read 2 more answers
State the relation between acceleration and momentum
vredina [299]

Answer:

Acceleration is the rate of change of velocity. Momentum is the mass times the velocity. So if you multiply the mass times the acceleration, you get the rate of change of momentum

5 0
3 years ago
Need help with these two questions Please?
Ksivusya [100]
Im too young for physics, sorry!
5 0
3 years ago
Can someone explain this to me? 20 POINTS!
Anarel [89]

Answer:What is the first law of thermodynamics and how does it relate to energy use? The first law of thermodynamics states that energy is conserved in chemical processes. ... This amount of energy that must be lost to the surroundings for the process to occur is nature's heat tax, an unavoidable cut of every energy transaction.

Explanation:

3 0
3 years ago
An eartly method of measuring the speed of light makes use of a rotating slotted wheel.
Pavel [41]

Answer:

Explanation:

Distance traveled by light = 2 x 550 m = 1100 m

time taken by light to travel this distance = 1100 / 3 x 10⁸

=  366.67 x 10⁻⁸ s

angle between two consecutive slots = 2π / 500 rad

= .004π

angular velocity of wheel = angle moved / time taken

= .004π / 366.67 x 10⁻⁸

= 1091π radian / s

b )  linear speed of a point on the edge of the wheel

= ω R , r is radius of wheel , ω is angular velocity.

= 1091π x 5 x 10⁻²

= 1712.8 m /s

4 0
4 years ago
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