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An empty 1390 kilogram vehicle has its CM2.30 meter behind the front of the car. Obtain how far from the front of the car will the CM be when two people sit in the front seat 2.80 meter from the front of the vehicle and three people sit in the back seat 3.90 meter from the front? Suppose that each person has a mass of 70.0 kilogram.
a very long uniform line of charge has charge per unit length 4.74 cm and lies along the x-axis. a second long uniform
Say you want to make a sling by swinging a mass M of 1.9 kg in a horizontal circle of radius 0.036 m, using a string of length 0.036 m. How strong will the string need to be
A block with mass m = 5.00kg slides down a surface inclined 36.9 ? to the horizontal (the figure (Figure 1) ). The coefficient of kinetic friction is 0.27. What is the acceleration of the block down the plane
A ball on the end of a string is whirled around in a horizontal circle of radius 0.326 m. The plane of the circle is 1.1 m above the ground. Find the centripetal acceleration of the ball during its circular motion
Consider a simple model for the interior of the Earth: there is a spherical iron core with constant mass density ?0 and radius a; outside the core is "rock" with constant density ?1. Use these values for the densities: ?0= 8.70×103 kg/m^3 and ?1= ..
The thermal mass can be a large quantity of stone (with specific heat 800 J/kg °C) in the floor and the interior walls exposed to sunlight. What mass of stone is required if the temperature is not to drop below 18°C overnight
A converging lens has a focal length of 100.0 cm. A 12.0-cm-tall object is located 124.0 cm in front of this lens. find Is the image real or virtual
After impact, the block slides 7.5 m before coming to rest. If the coefficient of kinetic friction between block and surface is 0.650, illustrate what was the speed of the bullet immediately before impact?
q1. an antelope moving with constant acceleration covers the distance 79.0 m between two points in time 6.70 s. its
question a modern sculpture in a park contains a parabolic arc that starts at the ground and reaches a maximum height
A piece of glass has a temperature of 77.0 °C. Liquid that has a temperature of 39.0 °C is poured over the glass, totally covering it, and the temperature at equilibrium is 50.0 °C. The mass of the glass and the liquid is the same.
a person of weight 80 kg jumped off a platform of height 1 m bounced off and ended up on the same platform. what is the
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