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Question: How much more gravitational potential energy does a 1.8kg hammer have when it is on a shelf 1.4m high than when it is on a shelf 0.90m high?
Would you be able to include the how you do it steps and equation and how to follow it thank you!!
A -10.0 nC point charge and a +20.0 nC point charge are 15.0 cm apart on the x-axis. What is the direction of the electric field at the point on the x-axis, between the charges, where the electric potential is zero
A beam of light in air is incident on the surface of a rectangular block of clear plastic on a frictionless, horizontal air table, puck A (with mass 0.250kg ) is moving toward puck B (with mass 0.400kg ), which is initially at rest. What was the s..
The electric starter in an automobile equipped with a 12 V battery draws a current of 90.00 A when in operation. What amount of electric energy has been withdrawn from the battery
You have a thermodynamic system with three states. You observe the probabilities p1 = 0.9, p2 = 0.09, p3 = 0.01 at T = 300K. What are the energies "2 and "3 of states 2 and 3 relative to the ground state?
A man pushes a 2.0 kg broom at constant speed across thefloor. The broom handle makes a 50 degree angle with thefloor. He pushes the broom with a 5.0 N force. Find the accleration of the broom
1. what is the angular separation of two spectral lines of wavelengths 440 nm and 388 nm formed in order m2 with a 382
A loudspeaker at a rock concert generates 10-2 W/m2 at 22.0 m at a frequency of 1.0 kHz. Assume that the speaker spreads its energy uniformly in three dimensions. What is the total acoustic power output of the speaker
Two conductors made of the same material are connected across the same potential difference. Conductor A has twice the diameter and twice the length of conductor B. What is the ratio of the power delivered to A and to the power delivered to B?
A rectangle has an area of 28.14 cm2. When both the length and width of the rectangle are increased by 1.80 cm, Calculate the length of the longer of the two sides of the initial rectangle
In a game of billiards, the cue ball is traveling eastward when it strikes a second ball that is initially at rest. After the collision, the cue ball moves at 4.79 m/s, What was the speed of the cue ball prior to the collision
a 19.2 kg sled is being pulled across a horizontal surface at a constant velocity. determine the coefficient of kinetic friction
An astronaut (Speedo) travels to a distant planet and back with speed 0.7c. He is 30 yrs old when he departs and 50 years old when he returns. how old is Goslo when Speedo returns
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