Subjects

Sections | |||
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Intro to Conservation of Energy | 52 mins | 0 completed | Learn |

Energy with Non-Conservative Forces | 45 mins | 0 completed | Learn |

Escape Velocity | 12 mins | 0 completed | Learn |

Conservative Forces & Inclined Planes | 50 mins | 0 completed | Learn |

Motion Along Curved Paths | 107 mins | 0 completed | Learn |

Energy in Connected Objects (Systems) | 31 mins | 0 completed | Learn |

Solving Projectile Motion Using Energy | 33 mins | 0 completed | Learn |

Springs & Elastic Potential Energy | 63 mins | 0 completed | Learn |

Force & Potential Energy | 22 mins | 0 completed | Learn |

Solution: A 71 kg trampoline artist jumps vertically upward from the top of a platform with a speed of 4.3 m/s . How fast is he going as he lands on the trampoline, 2.0 m below?If the trampoline behaves like a

A 71 kg trampoline artist jumps vertically upward from the top of a platform with a speed of 4.3 m/s .

How fast is he going as he lands on the trampoline, 2.0 m below?

If the trampoline behaves like a spring of spring constant 6.1×10^{4} N/m , what is the distance he depress it?

A 205 kg block is released at a 6.3 m height as sh...

A 1.86-kg block is held in place against the sprin...

It takes 4.36 J of work to stretch a Hooke’s-law s...

On a horizontal surface, a crate with mass 50.0 kg...

Consider the track shown in the figure. The sectio...

It takes
26 N
of force to compress a very ...

A 2.1 kg block slides along a horizontal surface ...

A 2.55 kg block on a horizontal floor is attached...

A block with mass 0.50 kg is forced against a hori...

A 13.0 kg stone slides down a snow-covered hill (...

You are an industrial engineer with a shipping
com...

A 2.00-kg package is released on a 53.1 53.1 s = 0...

The spring shown in the figure is compressed
5...

A freight company uses a compressed spring to shoo...

A
56 g
ice cube can slide without fricti...

A small glider is placed against a compressed spri...

A spring (80 N/m ) has an equilibrium length of 1....

A 2.00-kg block is pushed against a spring with ne...

The Great Sandini is a 60-kg circus performer wh...

A wooden block with mass 1.55 kg is placed agains...

An experimental apparatus with mass m is placed on...

An 80.0-kg man jumps from a height of 2.50 m onto ...

A spring of negligible mass has force constant
...

A 1100 kg safe is 2.1 m above a heavy-duty sprin...

A 60 kg bungee jumper leaps from a bridge. She is...

A 71 kg trampoline artist jumps vertically upward...

A vertical spring (ignore its mass), whose spring ...

An ingenious bricklayer builds a device for shooti...

An engineer is designing a spring to be placed at ...

When a
63 kg
cheerleader stands on a verti...

An ideal spring of negligible mass is 13.00 cm lo...

A slingshot will shoot a 10-g pebble 22.0 m straig...

A piece of cheese with a mass of 1.21 kg is place...

In a "worst-case" design scenario, a 2000-kg eleva...

A bungee cord is 30.0 m long and, when stretched a...

A 3.05 kg fish is attached to the lower end of a ...

A basket of negligible weight hangs from a vertica...

A spring of negligible mass has force constant
...

In Figure 7.16 in the textbook a glider with mass...

A spring gun shoots out a plastic ball at speed v0...

You have been hired to design a spring-launched ro...

A spring with force constant 720 N/m has one end a...

A 2.60 kg mass is pushed against a horizontal spr...

The mass exttip{m}{m} = 5.5 kg resting on a fric...

A 0.500-kg block, attached to a spring with length...

You are asked to design a spring that will give a ...

How far must you stretch a spring with exttip{k}{...

A stretched spring stores 3.3 J of energy.How muc...

Tendons are strong elastic fibers that attach musc...

A spring stores potential energy U0 when it is com...

Rank in order, from most to least, the elastic pot...

A spring is compressed
7.0 cm.How far must you...

A block sliding along a horizontal frictionless su...

A 13 kg runaway grocery cart runs into a spring w...

As a 1.6×104 kg jet plane lands on an aircraft ca...

You are designing an amusement park ride. A cart w...

A small rock block with mass 0.400 kg is placed ag...

In a physics lab experiment, a compressed spring l...

Its your birthday, and to celebrate you're going t...

A spring has a spring constant k of 82.0 N/m. How ...

A student places her 410 g physics book on a frict...

A 1300 kg car moving on a horizontal surface has s...

A 1.50-kg object is held 1.20 m above a relaxed ma...

What should be the spring constant k of a spring d...

When an object at the end of a spring compresses t...

A 0.160 kg block of ice is placed against a horizo...

A box with mass 5.00 kg is placed against a compre...

A 10.0-kg block is released from rest at point A i...

A block of mass m = 2.00 kg is attached to a sprin...

A toy cannon uses a spring to project a 5.30-g sof...

A massless spring of constant k = 78.4 N/m is fixe...

A 200-g block is pressed against a spring of force...

An inclined plane of angle θ = 20.0° has a spring ...

An inclined plane of angle θ has a spring of force...

A block of mass M rests on a table. It is fastened...

A daredevil plans to bungee jump from a balloon 65...

A child’s pogo stick (Fig. P8.61) stores energy in...

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