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Q1. A snowmobile climbs a hill at velocity v-up. The slope of the hill is a 2 ft rise for every 70 ft of distance. The resistive force of the snow is equal to 4.12 percent of the weight of the snowmobile. How fast will the snowmobile move downhill, assume the engine delivers the same power?
Q2. How many 116 W lightbulbs can you use in a 133 V circuit without tripping a 17 A circuit breaker? (The bulbs are connected in parallel that means that the potential difference across each lightbulb is 124 V.)
Find out the minimum horizontal velocity magnitude of the acceleration of the blocks
A container holds 1.9 mol of gas. The total average kinetic energy of the gas molecules in the container is equal to the kinetic energy of a 7.7x10-3 kg bullet with a speed of 630 m/s
At one instant a bicyclist is 28 m due east of a park's flagpole, going due south with a speed of 8 m/s. after that, 11 s later, the cyclist is 65 m due north of flagpole, going due east with a speed of 10 m/s.
A block with mass m = 4 kg is sinking with constant acceleration aT = 1.9 m/s2 into the ground. The acceleration due to gravity is g = 9.81 m/s2. In what direction is the normal force
The green block(B) has a mass of 10.00kg and is moving to the left at a speed of 3.70m/s. What should the velocity of the red block be in order to have the two blocks move to the right with a speed of 1.30 after the collision
While driving on the freeway at 110 km/h, you pass a truck whose total length you estimate at 25 m. A. If it takes you, in the driver's seat, 6.0s to pass from the rear of the truck to its front, what is the truck's speed relative to the road? ..
An 80-N crate slides with constant speed a distance of 5.0 m downward along a rough slope that makes an angle of 30 ° with the horizontal
Use the following scenario for questions 8-10. The mass of Football Player A is 117 kg, and his linear velocity is 6.12 m/s. Calculate linear momentum of Football Player A
A student at another university repeats the experiment you did in lab. Her target ball is 0.860 m above the floor, What is the kinetic energy (in joules) of the target ball just after it is struck
Gas is confined in a tank at a pressure of 12.6 atm and a temperature of 23.0°C. what is the pressure of the gas remaining in the tank
A disk of radius R and unifrom surface charge density sigma spins with angular velocity Omega about the y-axis. Find its magnetic dipole moment.
Consider a sample of diatomic ideal gas which is taken through the following cycle: A constant pressure process that doubles the volume of the gas, What is the efficiency of this cycle
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