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Andreyy89
2 years ago
9

A pile driver of mass 5 tonnes falls from a height of 10m onto a pile of mass 8 tonnes There is no rebound on impact as the pile

is driven 20cm into the ground. Determine the common Velocity of hammer and pile after impact.​
Physics
1 answer:
Alchen [17]2 years ago
5 0

Answer:

5. View 31 suppliers of Drop Hammer Pile Driving Rigs on Suppliers. In very soft ... 2 m onto the top of a 140-kg pile, driving it 110 unit into the ground. ... Pilehire have drop hammers from 3ton to 30ton to suit all piling and post jobs ... The DELMAG diesel pile hammer is an extremely rugged and reliable impact hammer .

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Answer:

D

Explanation:

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A skier leaves the horizontal end of a ramp with a velocity of 25.0 m/s and lands 70.0 m from the base of the ramp. How high is
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Answer:

<em>The end of the ramp is 38.416 m high</em>

Explanation:

<u>Horizontal Motion </u>

When an object is thrown horizontally with an initial speed v and from a height h, it follows a curved path ruled by gravity.

The maximum horizontal distance traveled by the object can be calculated as follows:

\displaystyle d=v\cdot\sqrt{\frac  {2h}{g}}

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\displaystyle h=\frac  {d^2g}{2v^2}

The skier initiates the horizontal motion at v=25 m/s and lands at a distance d=70 m from the base of the ramp. The height is now calculated:

\displaystyle h=\frac  {70^2\cdot 9.8}{2\cdot 25^2}

\displaystyle h=\frac  {4900\cdot 9.8}{2\cdot 625}

h= 38.416 m

The end of the ramp is 38.416 m high

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