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Kitty [74]
3 years ago
14

A softball and a ping-pong ball are dropped off of a tall building. Which statement describes in what order they hit the ground

and why?
Physics
1 answer:
S_A_V [24]3 years ago
8 0

Answer:

The softball hits the ground first because it is less affected by air resistance.

Explanation:

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What's the process?
Natalka [10]

Answer:

Explanation:

Falling objects form an interesting class of motion problems. For example, we can estimate the depth of a vertical mine shaft by dropping a rock into it and listening for the rock to hit the bottom. By applying the kinematics developed so far to falling objects, we can examine some interesting situations and learn much about gravity in the process.

7 0
3 years ago
In order to recreate the process of energy
solmaris [256]
In order to recreate the process of energy production that takes place in the Sun, scientists use nuclear fusion.
7 0
4 years ago
What is the acceleration of a proton moving with a speed of 7.7 m/s at right angles to a magnetic field of 1.9 T
iris [78.8K]

Answer:

The acceleration of the proton is 1.403 x 10⁹ m/s²

Explanation:

Given;

speed of proton, v = 7.7 m/s

magnitude of magnetic field, B = 1.9 T

Magnetic force of moving proton is given by;

F = qvBsinθ

Centripetal force on the moving proton is given by;

F = m(\frac{v^2}{r})\\\\F = m(a_c) \\\\a_c \ is \ the \ centripetal \ acceleration

qvBsin\theta = ma_c\\\\ac = \frac{qvBsin(90)}{m}

where;

q is charge of the proton = 1.602 x 10⁻¹⁹ C

m is mass of proton = 1.67 x 10⁻²⁷ kg

ac = \frac{(1.602*10^{-19})(7.7)(1.9)sin(90)}{1.67*10^{-27}}\\\\a_c = 1.403*10^{9} \ m/s^2

Therefore, the acceleration of the proton is 1.403 x 10⁹ m/s²

3 0
3 years ago
Name two factors that can affect the function of an enzyme
myrzilka [38]

Answer:

1. pH

2. Temperature

Hope this helps

3 0
3 years ago
A dog runs with an initial speed of 1.5 m/s on a floor. It slides to a stop with an acceleration of -0.35 m/s^2. How long does i
Neko [114]

Answer:

3.214 m

Explanation:

Here object is moving in a constant acceleration. Then we can use motion equations to find the total distance

V² = U² + 2as

0 = 1.5² + 2×-0.35 × s

s = 3.214 m

symbols has usual meanings.

6 0
4 years ago
Read 2 more answers
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