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A 1 550-kg automobile has a wheel base (the distance between the axles) of 2.80 m. The automobile's center of mass is on the centerline at a point 1.10 m behind the front axle. Find the force exerted by the ground on each wheel.
a) each front wheel.
b) each read wheel.
A 2300 kg truck traveling north at 39 km/h turns east and accelerates to 57 km/h. What is the change in the truck's kinetic energy
A person who weighs 645 N is riding a 94.9 N mountain bike. what is the area of contact between each tire and the ground
A 32.5-g glass thermometer reads 24.1?C before it is placed in 131mL of water. What was the original temperature of the water
An astronaut on a distant planet wants to determine its acceleration due to gravity. What is the acceleration (magnitude and direction) due to gravity on this planet
A circular coil with one turn is in a perpendicular (time dependent) magnetic field given by B = 1.400 - 0.0500 t Tesla, where time t is in seconds. Calculate the radius of the coil
A water collector on a farm roof 5m high from the ground overflows with rain through a large circular are of radius 1.2m. The water then falls through a pipe and into a tub near the ground; it exits the pipe through a .3m radius spout located .5m fro..
An object is initially placed on the optical axis 21.2 cm to the left of a convex lens that has a focal length of 13.7 cm. what is the new image distance
When a person inhales, air moves down the bronchus (windpipe) at 17 cm/s. The average flow speed of the air doubles through a constriction in the bronchus. Assuming incompressible flow, determine the pressure drop in the constriction.
Given two vectors A? = 4.00 i^+ 7.80 j^ and B? = 5.60 i^? 2.00 j^ , find the scalar product of the two vectors A? and B?. Find the angle between these two vectors
A small plastic bead has been charged to -15nC, What is the magnitude of the acceleration of a proton that is 0.90cm from the center of the bead
A long rod, insulated to prevent heat loss along its sides, is in perfect thermal contact with boiling water (at atmospheric pressure) at one end and with an ice-water mixture at the other.
A spacecraft flies towards the Earth at a speed of 0.8c and shines a laser at an observer on Earth. At what speed would the laser light be moving
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