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3 years ago

What is the name of the process taking place in the diagram? Describe the process 1st question

Physics

1 answer:

katen-ka-za [31]3 years ago

7 0

I need a picture please befor i can answer

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Imagine that a bowling ball needs to be lifted 1.5 meters, and its gravitational potential energy is 90 joules. How much does th

Vikki [24]

Answer: 6.12 kg

Explanation:

Since Mass of ball = ? (let the unknown value be Z)

Acceleration due to gravity, g= 9.8m/s^2

Height, h = 1.5 metres

Gravitational potential energy GPE = 90J

Gravitational potential energy depends on the weight of the ball, the action of gravity and height.

Thus, GPE = Mass m x Acceleration due to gravity g x Height h

90J = Z x 9.8m/s^2 x 1.5m

90 = Z x 14.7

Z = 90/14.7

Z = 6.12 kg

Thus, the bowling ball weigh 6.12 kilograms

8 0

3 years ago

Which statements describe density? Check all that apply.

HACTEHA [7]

Density is a chemical property of an object.

The density of an object is constant.

Density is a derived unit of measure

7 0

2 years ago

Read 2 more answers

Friction pulls directly against the direction of motion (at 180) of a sled, and does -55.2 J of work while the sled moves 8.98 m

zvonat [6]

The magnitude of the force of friction is 6.1 N

Explanation:

The work done by a force when moving an object is given by the equation:

$W=Fd cos \theta$

where :

F is the magnitude of the force

d is the displacement

$\theta$ is the angle between the direction of the force and of the displacement

In this problem, we have:

W = -55.2 J (work done by the force of friction)

d = 8.98 m (displacement of the sled)

$\theta=180^{\circ}$ (because the force of friction acts opposite to the direction of motion)

By solving the equation for F, we find the magnitude of the force of friction on the sled:

$F=\frac{W}{d cos \theta}=\frac{-55.2}{(8.98)(cos 180^{\circ})}=6.1 N$

Learn more about work:

brainly.com/question/6763771

brainly.com/question/6443626

#LearnwithBrainly

5 0

3 years ago

Determine the magnitude of the resultant hydrostatic force acting on the dam and its location, measured from the top surface of

NemiM [27]

In your question a figure of dam is missing.where height is given which 6 m

Answer:

Force=1.41×10⁶ Newton

Location from surface of water= 4 m

Explanation:

Given Data

w (width)=8 m

p=1.0 Mg/m³

Force=?

Location=?

Solution

$p=6(1)(10^{3} )(9.8)\\p=58860 \frac{N}{m^{2} }\\ Force=\frac{1}{2}(6)(8)(58,860)\\ F=1.41*10^{6}N\\ F=1.41MN\\h(location)=2/3(6)\\h=4m$

8 0

3 years ago

An increase in temperature causes a decrease in the amount of gas able to dissolve in a liquid solvent. Why does this occur?

NNADVOKAT [17]

Answer:

ОВ. increased kinetic energy

6 0

2 years ago