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zimovet [89]
3 years ago
8

What is a load force

Physics
1 answer:
vladimir2022 [97]3 years ago
8 0

Answer:

A push or pull exerted on an object

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If a ball is dropped from a height​ (H) its velocity will increase until it hits the ground​ (assuming that aerodynamic drag due
mario62 [17]

Answer:

9.801 m/s²

Explanation:

t = Time taken

u = Initial velocity

v = Final velocity = 39 ft/s

s = Displacement = 720 cm = 7.2 m

a = Acceleration

Converting to m/s

39\ ft/s=\frac{39}{3.281}=11.88\ m/s

Equation of motion

v^2-u^2=2as\\\Rightarrow a=\frac{v^2-u^2}{2s}\\\Rightarrow a=\frac{11.88^2-0^2}{2\times 7.2}\\\Rightarrow a=9.801\ m/s^2

Acceleration of the ball is 9.801 m/s²

5 0
3 years ago
Which geological features are produced when continental plates converge?
Alecsey [184]

Answer:

Deep ocean trenches, volcanoes, island arcs, submarine mountain ranges, and fault lines.

Explanation:

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3 years ago
A small model car with mass m travels at a constant speed on the inside of a track that is a vertical circle radius 5.00 m. If t
dolphi86 [110]
One point to another
6 0
3 years ago
A skier with a 65kg mass skies down a 30 degree incline hill. The coefficient of friction is 0.1. a. Draw a free body diagram. b
djyliett [7]
B is the answer! Because no one would be pushing the rock all the way down the hill it would just go down by itself by rolling!!



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6 0
3 years ago
Lithium was one of the metals studied by the American physicist Robert Millikan in his research on the photoelectric effect. Whe
faltersainse [42]

Answer:

 f = 7.9487 10¹³ Hz

Explanation:

The photoelectric effect was correctly explained by Einstein assuming that the radiation is composed of photons, which behave like particles.

           hf = K + Ф

It indicates the frequency and the kinetic energy, let's look for the work function

          Ф = hf - K

let's reduce the magnitudes to the SI system

          K = 0.332 eV (1.6 10⁻¹⁹ J / 1 eV) = 0.5312 10⁻⁻¹⁹ J

let's calculate

          Ф = 6.63 10⁻⁻³⁴  6.64 10¹¹ - 0.5312 10⁻¹⁹

          Ф = 4.40 10⁻²² - 0.5312 10⁻¹⁹

          Ф = 5.27 10⁻²⁰ J

for the minimum frequency that produces photoelectrons, the kinetic energy is zero

           hf = Ф  

           f = Ф / h

           f = 5.27 10⁻²⁰ / 6.63 10⁻³⁴

           f = 7.9487 10¹³ Hz

4 0
3 years ago
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