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saw5 [17]
3 years ago
13

find the work done by the gravity and normal on the particle during its displacement from top to ground.

Physics
2 answers:
grandymaker [24]3 years ago
6 0

Answer:

lol

Explanation:

g100num [7]3 years ago
5 0

Answer:

Based on physical properties, which of these substances is an ionic compound? Explain your reasoning.

A. Hair Gel

B. Silver Breacelet

C. Motor Oil

D. Baking SodaBased on physical properties, which of these substances is an ionic compound? Explain your reasoning.

A. Hair Gel

B. Silver Breacelet

C. Motor Oil

D. Baking SodaBased on physical properties, which of these substances is an ionic compound? Explain your reasoning.

A. Hair Gel

B. Silver Breacelet

C. Motor Oil

D. Baking SodaBased on physical properties, which of these substances is an ionic compound? Explain your reasoning.

A. Hair Gel

B. Silver Breacelet

C. Motor Oil

D. Baking SodaBased on physical properties, which of these substances is an ionic compound? Explain your reasoning.

A. Hair Gel

B. Silver Breacelet

C. Motor Oil

D. Baking Soda

Explanation:

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Answer: false

Explanation:

because

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3 years ago
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An instrument is thrown upward with a speed of 15 m/s on the surface of planet X where the acceleration due to gravity is 2.5 m/
Katen [24]
<h2>Answer: 12 s</h2>

Explanation:

The situation described here is parabolic movement. However, as we are told <u>the instrument is thrown upward</u> from the surface, we will only use the equations related to the Y axis.

In this sense, the main movement equation in the Y axis is:

y-y_{o}=V_{o}.t-\frac{1}{2}g.t^{2}    (1)

Where:

y  is the instrument's final position  

y_{o}=0  is the instrument's initial position

V_{o}=15m/s is the instrument's initial velocity

t is the time the parabolic movement lasts

g=2.5\frac{m}{s^{2}}  is the acceleration due to gravity at the surface of planet X.

As we know y_{o}=0  and y=0 when the object hits the ground, equation (1) is rewritten as:

0=V_{o}.t-\frac{1}{2}g.t^{2}    (2)

Finding t:

0=t(V_{o}-\frac{1}{2}g.t^{2})   (3)

t=\frac{2V_{o}}{g}   (4)

t=\frac{2(15m/s)}{2.5\frac{m}{s^{2}}}   (5)

Finally:

t=12s

3 0
3 years ago
What are the characteristics of prokaryotes?
Lelu [443]
Prokaryotes lack an organized nucleus and other membrane<span>-bound organelles. Prokaryotic DNA is found in a central part of the cell called the nucleoid. The cell wall of a prokaryote </span>acts<span> as an extra </span>layer<span> of protection helps maintain </span>cell shape<span>, and prevents dehydration. 

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5 0
4 years ago
An ant crawls along a sidewalk with a velocity of 0.1 m/s in a direction that is 45 degrees relative to the edge of the sidewalk
ahrayia [7]

Answer:

C) 1.0 m

Explanation:

The component of the velocity parallel to the sidewalk is:

vₓ = v cos θ

vₓ = 0.1 m/s cos 45°

vₓ = 0.0707 m/s

The distance traveled after 14 seconds is:

d = vₓ t

d = (0.0707 m/s) (14 s)

d = 0.99 m

Closest answer is C) 1.0 m.

6 0
3 years ago
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