3 years ago

The amount of potential energy depends on the objects _________ and position

Physics

2 answers:

kirill115 [55]3 years ago

5 0

Mass Urdu fight him in

disa [49]3 years ago

4 0

Mass would be the answer

You might be interested in

Which equation represents a neutralization reaction?

JulijaS [17]

Option B: acid+base->water+salt is the equation represents a neutralization reaction.

6 0

2 years ago

A size-5 soccer ball of diameter 22.6 cm and mass 426 g rolls up a hill without slipping, reaching a maximum height of 5.00 m ab

Drupady [299]

Answer

According the conservation of energy

$\dfrac{1}{2}mv_i^2+\dfrac{1}{2}I\omega_i^2+0 = mgh + 0$

I for ball = $\dfrac{2}{3}mr^2$

$\dfrac{1}{2}mv_i^2+\dfrac{1}{2} \dfrac{2}{3}mr^2\omega_i^2= mgh$

$\omega_i = \dfrac{v_i}{r}$

$v_i^2+\dfrac{2}{3}r^2(\dfrac{v_i}{r})^2 = 2gh$

$v_i^2+\dfrac{2}{3}v_i^2 = 2gh$

$v_i^2+[1+\dfrac{2}{3}]=2gh$

$v_i^2\dfrac{5}{3}=2gh$

$v_i=\sqrt{\dfrac{6gh}{5}}=\sqrt{\dfrac{6\times 9.8\times 5}{5}}$

$v_i = 7.67\ m/s$

a) $\omega_i = \dfrac{v_i}{R}$

$\omega_i = \dfrac{7.67}{0.113}$

$\omega_i =67.87\ rad/s$

b) $K_{rot} = \dfrac{1}{2}\dfrac{2}{3}mR^2\omega_i^2$

$K_{rot} = \dfrac{1}{3}\times 0.426\times 0.112^2\times 67.87^2$

$K_{rot} = 8.205\ J$

4 0

3 years ago

A rocket-driven sled Sonic Wind No. 2, is used for investigating the physiological effects of large accelerations on people. It

rewona [7]

Answer:

The best single equation in order to fin the acceleration is

$a=v_f/t=250/2=125m/s^2$

Explanation:

The best single equation in order to find the acceleration is the following kinematics equation:

$v_f=v_o+at$

As the rocket start from the rest, the initial velocity value is zero. Then the acceleration value is:

$a=v_f/t=250/2=125m/s^2$

7 0

3 years ago

Please help<br>What is the angle of the reflected ray in the diagram above?

Elena-2011 [213]

I think a reflected ray should be symmetrical so I believe your answer is 32 degrees

5 0

3 years ago

The kinetic energy of a boulder weighing 50.0 N sitting still on the edge of a cliff 25.0 m high is

trapecia [35]

I think it’s either A or C

7 0

3 years ago