Find the change in the kinetic energy of sled

Assignment Help Physics

Reference no: EM1318960

Q1. An 8kg sled is initially at rest on a horizontal road. The sled is pulled a distance of 3.2 m by a force of 36N applied to the sled at angle of 30o to the horizontal.

Find the change in the kinetic energy of sled.

Q2. A recent tomb has been unearthed in Egypt that shows the set of wall paintings and hieroglyphics of stars falling to and rising above the horizon over the course of the year (these stars served as sentinels for the pharaoh's passage through the underworld). How would astronomers use this data to date tomb?

Reference no: EM1318960

Questions Cloud

What were direction and length of her second displacement : A car of mass M = 800kg travelling at 50km/hour enters a banked turn covered with ice. The road is banked at an angle 20degrees, and there is no friction between the road and the car's tires.

What will be its speed relative to ground : A hockey player is standing on his skates on the frozen pond when an opposing player, moving with a uniform speed of 13 m/s, skates by with the puck. After 2.5 s, the first player makes up his mind to chase his opponent.

Find out the tension in the rope : A ranger in a national park is driving at 41km/h when a deer jumps onto the road 66 m ahead of the vehicle. After a reaction time of t s, ranger applies the brakes to produce an acceleration of -3.20m/s2. What is the maximum reaction time allowed ..

Two point charges are on the y-axis : A copper telephone wire has essentially no sag between poles 20.5 meters apart on a winter day while the temperature is -15.5° C. How much longer is the wire on the summer day when the temperature is 27.0° C.

Find the change in the kinetic energy of sled : A recent tomb has been unearthed in Egypt that shows the set of wall paintings and hieroglyphics of stars falling to and rising above the horizon over the course of the year (these stars served as sentinels for the pharaoh's passage through the un..

Frame an equation : Frame an equation.

Elements of enforceable security interest : What are the elements of an enforceable security interest? What are the requirements of each of those elements? Does the bank have a valid security interest in this case? Explain.

Decision using the decision rule approach : Make a decision using the Decision Rule approach at given α = 0.05.

The present be the truck''s "skidding distance" : Barometric pressure in the eye of a hurricane is 0.91atm (27.2 in of mercury). How does the level of the ocean surface under the eye compare with the level under the distant fair-weather region where the pressure is 1.0atm.

User Account

All Pages