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hammer [34]
3 years ago
12

A baby carriage is sitting at the top of a hill that is 35 m high. The

Physics
2 answers:
DerKrebs [107]3 years ago
7 0

Answer:

\boxed {\boxed {\sf E_p= 515.025 \ J}}

Explanation:

Potential energy is found using this formula:

E_p= mgh

The mass of the baby in the carriage is 1.5 kilograms and the height is 35 meters. Assuming this is on Earth, the gravitational acceleration is 9.81 meters per square second.

m=1.5 \ kg \\g= 9.81 \ m/s^2\\h= 35 \ m

Substitute the values into the formula.

E_p= (1.5 \ kg )( 9.81 \ m/s^2)(35 \ m )

Multiply the first numbers together.

E_p= 14.715 \ kg*m/s^2 (35 \ m )

Multiply again.

E_p= 515.025 \ kg*m^2/s^2

  • 1 kilogram square meter per square second is equal to 1 Joule.
  • Our answer of 515.025 kg*m²/s² is equal to 515.025 J

E_p= 515.025 \ J

The potential energy is 515.025 Joules.

Lemur [1.5K]3 years ago
5 0
P=M(mass)G(Gravity)H(Height)

Gravity=9.8

M=1.5 G=9.8 H=35

so multiply all

=514.5 potential energy

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katrin [286]

Complete Question

Suppose you hit a steel nail with a 0.500-kg hammer, initially moving at 15.0 m/s and brought to rest in 2.80 mm. How much is the nail compressed if it is 2.50 mm in diameter and 6.00-cm long.What Average force is excreted on the Nail

Answer:

F=2*10^{4}N

Explanation:

From the question we are told that:

Mass m=0.500kg

Initial Velocity V=15.0m/s

Distance x=2.80mm=>0.00280m

Diameter d=2.50mm=>0.00250m

Length l=6.00cm=>0.6m

Generally the equation for Force is mathematically given by

 F=\frac{mv^2}{2d}

 F=\frac{0.500*15^2}{2.80*10^{-3}}

 F=2*10^{4}N

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A car of mass 1,000 kilograms is moving initially at the speed of 22 meters/second. When the brakes are applied, it takes the ca
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A 13-kg sled is moving at a speed of 3.0 m/s. At which of the following speeds will the sled have twice as much kinetic energy?
AysviL [449]
K.E. = 1/2 mv²
K.E. is directly proportional to v^2
So, when K.E. increase by 2, K.E. increase by root. 2
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By taking an example;

Use a circular rod made of a certain material (for example, steel) that is insulated all the way around.

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