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1) An automobile with a mass of 1390 kg has 3.15 m between the front and rear axles. Its center of gravity is located 1.78 m behind the front axle. The automobile is on level ground.
(a) Determine the magnitude of the force from the ground on each front wheel (assuming equal forces on the front wheels). ?? N
(b) Determine the magnitude of the force from the ground on each rear wheel (assuming equal forces on the rear wheels).?? N
2) A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 5.00 g coins stacked over the 15.0 cm mark, the stick is found to balance at the 42.0cm mark. What is the mass of the meter stick?
?? g
You walk 100 m to the north, and then you turn 70degrees to your right and then walk another 50 m. What is the magnitude of your total displacement
What are the magnitude and direction of the net force. how long does it take for the police car to catch up with the speeder.
A thin flat plate is installed in a water tunnel as a splitter. The plate is 0.3 m long and 1 m wide. The free stream speed is 1.60 m/s. laminar boundary layers form on both sides of the plate. The boundary-layer velocity profile is approximated as p..
Two students are on a balcony 18.30 m above the street. One student throws a ball, b1, vertically downward at 16.80 m/s. At the same instant, the other student throws a ball, b2, vertically upward at the same speed.
Consider a 2.5 GHz `clock' signal on a circuit board that has the following properties: It is constant at +4.00 V for 0.0073 ns, What is its rms voltage?
How much work must this force do to stop the wheel. An electron moving along the x axis has a position given by x = 11te-1t m, where t is in seconds. How far is an electron from the origin when it momentarily stops.
Laser light with a wavelength lambda = 660nm illuminates a pair of slits at normal incidence.
A thin film of oil (n = 1.10) is located on smooth, wet pavement. When viewed from a direction perpendicular to the pavement, What is the minimum thickness of the oil film?
A 3.40 g coin is positioned 16.0 cm from the center of a turntable. The coin has static and kinetic coefficients of friction with the turntable surface of mu_s = 0.720 and mu_k = 0.480. What is maximum angular velocity with which the turntable can sp..
A Federation starship (7.5 multiplied by 106 kg) uses its tractor beam to pull a shuttlecraft (5.0 multiplied by 104 kg ) aboard from the distance of 12 km away.
Coefficient of kinetic friction between tires and road
A 65.0 kg person jumps from rest off a 3.19 m-high tower straight down into the water. Determine the magnitude of the average force that the water exerts on the diver
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