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andrew11 [14]
3 years ago
7

How could your weight vary from one place to another even though your mass remains the same?

Physics
1 answer:
love history [14]3 years ago
3 0
If you're standing on the top of a mountain your weight will decrease but mass will remain the same
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List 4 forms of energy
elena-s [515]

Answer:

Chemical energy is energy stored in the bonds of atoms and molecules. ...

Mechanical energy is energy stored in objects by tension. ...

Nuclear energy is energy stored in the nucleus of an atom—the energy that holds the nucleus together. ...

Gravitational energy is energy stored in an object's height.

7 0
3 years ago
Read 2 more answers
A 26 kg bin is stationary on the driveway. The coefficient of static friction is 0.25. You pull on the bin with a force of 52 N
konstantin123 [22]

The bin will not move because the frictional force is greater than the net force acting on the bin.

<h3>What is the net force acting on the bin?</h3>

The net force acting on the bin is obtained by subtracting the force acting on the Easterly direction from that acting in the Westerly direction.

Net force = 110 N - 52 N

Net force = 58 N

The frictional force acting on the bin is determined as well using the given formula:

Frictional force = coefficient of static friction * normal reaction

Norma reaction = 26 * 9.81

Normal reaction = 255.06 N

coefficient of static friction = 0.25

Frictional force = 0.25 * 255.06

Frictional force = 63.8 N

Since the frictional force is greater than the net force acting on the bin, the bin will not move.

In conclusion, the frictional force is the force that opposes relative between two objects at their surface of contact.

Learn more about frictional force at: brainly.com/question/13680415

#SPJ1

8 0
2 years ago
the friction of water on a boat produces an acceleration of -10m/s^2. if the boat is traveling at 30 m/s and the motor shut off,
tatuchka [14]

Answer:

<em>The boat takes 2.5 seconds to slow down to 5 m/s</em>

Explanation:

<u>Motion With Constant Acceleration</u>

It's a type of motion in which the velocity of an object changes uniformly in time.  The equation that rules the change of velocities is:

v_f=v_o+at\qquad\qquad [1]

Where:

a   = acceleration

vo = initial speed

vf  = final speed

t    = time

Using the equation [1] we can solve for a:

\displaystyle a=\frac{v_f-v_o}{t}

The acceleration produced by the friction of water is a=-10 \ m/s^2 and the boat is initially traveling at v0=30 m/s. When the motor is shut off, the boat will start braking until it stops. We need to find the time it takes to ready the final speed of vf=5 m/s.

Let's solve the above equation for t:

\displaystyle t=\frac{v_f-v_o}{a}

\displaystyle t=\frac{5-30}{-10}

\displaystyle t=\frac{-25}{-10}

t = 2.5 s

The boat takes 2.5 seconds to slow down to 5 m/s

5 0
3 years ago
A 0.50-kg toy is attached to the end of a 1.0-m very light string. The toy is whirled in a horizontal circular path on a frictio
Deffense [45]

Answer:

26.5 m/s

Explanation:

The tension in the string provides the centripetal force that keeps the toy in circular motion. So we can write:

T=m\frac{v^2}{r}

where:

T is the tension in the spring

m = 0.50 kg is the mass of the toy

r = 1.0 m is the radius of the circle (the length of the string)

v is the speed of the toy

The maximum tension in the string is

T = 350 N

If we substitute this value into the equation, we find the maximum speed that the mass can have before the string breaks:

v=\sqrt{\frac{Tr}{m}}=\sqrt{\frac{(350)(1.0)}{0.50}}=26.5 m/s

3 0
3 years ago
A selective college usually requires more years of _____ than a high school requires.
ipn [44]

Answer:

World languages__

Explanation:

A selective college usually requires more years of ___World languages__ than a high school requires. College graduates would look for jobs after college, they might have to travel to different countries. So, educating them about different language would give them a competitive edge to them. Moreover, in the age of globally integrated business community, knowing an extra language could work as cherry top on the cake.

5 0
3 years ago
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