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You are traveling on a hilly road. At a particular spot, when your car is perfectly horizontal, the road follows a circular arc of some unknown radius. Your speedometer reads 85.0 km/h, and your apparent weight is 30% larger than usual. Useg = 9.80 m/s2 for this problem.
What is the radius of the circular arc in meters?
A snow skier, starting from rest, goes downhill for 5.00s and reaches a level spot of smooth snow. What is average velocity on level spot
The bunchberry flower has the fastest-moving parts ever seen in a plant.at first , the stamen are held by the petals in a bent position, storing elastic energy like a coiled spring.
A small object begins a free-fall from a height of H = 82.5 m at t0 = 0 s. After ? = 2.85 s, a second small object is launched vertically up from the ground with the initial velocity v0 = 40.2 m/s. At what height from the ground will the two objec..
Inside the house where the temperature is 20C, we measure the length of an aluminum rod with a micrometer made of steel, find the length of the cold rod according to the cold micrometer
A railroad car with a mass of 2 x10^4 kg moving at 3.0 m/s collides and joins with 2 railroad cars already joined together, each with the same mass as the single car and initially moving in the same direction at 1.20 m/s.
A uniform magnetic field is perpendicular to the plane of a single-turn circular coil. What emf and current are induced in the square coil
A technician wearing a circular metal band on his wrist moves his hand into a uniform magnetic field of magnitude 2.2 T in a time of 0.48 s. find the magnitude of the average emf induced in the band
A partially evacuated airtight container has a tight-fitting lid of surface area 75.4 cm2 and negligible mass. If the force required to remove the lid is 384 N and the atmospheric pressure is 1.00 × 105 Pa, what is the air pressure in the containe..
For someone who chooses y=0 to be 5 meteres above the ground and up as positive, what will he get for the potential energy
A 76 kg student traveling in a car with a constant velocity has a kinetic energy of 1.1 multiply.gif 104 J. What is the speedometer reading of the car in km/h
a jetliner is moving at a speed of 270 km/h. the plan then decelerates at 4.5 m/s2. what is the minimum runway length on which this aircraft can land
A 85 cm^3 block of iron is removed from an 800 degree Celsius furnace and immediately dropped into 200 ml of 20 degree celsius water
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