Describe the energy transformations

Reference no: EM13649004

a) Describe the energy transformations that take place when askier starts skiing down a hill, but after a time is brought torest by striking a tree.
b) Why is it easier to climb a steep mountain via a zigzagtrail (switchbacks) than to climb straight up?
c) How can a rocket change direction when it is far out inspace and is essentially in a vacum?

Reference no: EM13649004

Questions Cloud

Front of a convex mirror problem : An object that is 37 cm in front of a convex mirror has an imagelocated 25 cm behind the mirror. How far behind the mirror is the image located when the object is 30 cm in front of the mirror?

What is the charge on the two capacitors in series : Two capacitors of capacitance 5.0 μF and 8.0 μF areconnected in series. The 3rd capacitor of 10 μF isconnected in parallel with the 1st capacitor 5.0 μFcapacitor. The network is connected to a battery of 9.0V.

What is the speed of light in this condensate : In an ultra-low-temperature experiment, a collection of atoms entera special state called a Bose-Einstein condensate in which the index of refraction is 1.41 x 107. What is the speed of light in this condensate?

Space probe is traveling at a speed : A 6.50 x 104-kgspace probe is traveling at a speed of 13000 m/s through deep space. Retrorockets are firedalong the line of motion to reduce the probe's speed. The retrorockets generate a force of 4.50 x105 N over a distance of 2500 km.

Describe the energy transformations : Describe the energy transformations that take place when askier starts skiing down a hill, but after a time is brought torest by striking a tree. Why is it easier to climb a steep mountain via a zigzagtrail (switchbacks) than to climb straight up?

Magnitude of net electric field-exists at center of square : Four point charges have the same magnitude of 2.4 x10-12C and are fixed to the corners of a square that is4.0 cm on a side. Three of the charges are positive and one isnegative. Determine the magnitude of the net electric field that exists at the ..

Describe the bungee jumpers velocity-acceleration : A bungee jumper momentarily comes to rest at the bottom of thedive before they spring back upward. At that moment, describe the bungee jumpers velocity, acceleration, and whether or not they arein equilibrum?

Simple pendupum device is running slowly : Suppose that a grandfather clock a simple pendupum device is running slowly. the time it takes to complete each cycleis longer than it should be. should one shorten or lenghten the pendulum to make the clock keep the correct time? explain?

What is the greatest possible magnitude of the other force : Two forces act on a 6.00-kg object. One of the forces is 10.0 N.If the object accelerates at 2.00 m/s2, what is the greatest possible magnitude of the other force?

User Account

All Pages