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two objects are moving in the xy plane . object a has a mass of 3.5 kb and has a velocity Va of 5.3 m/s at an angle of 30 degrees from the x-axis and object b has a mass of 1.9 kg and has a velocity Vb of6.2 m/s at an angle 0f 72 degrees from the x-axis. What is the total momentum of the system?
Fleas are notorious jumpers, reaching heights of nearly 20 cm, roughly 130 times their own height. Assuming that the flea acquires its initial velocity in leaving the ground over a distance of half its height, find the average acceleration the fle..
A rectangular block of ice 12 m on each side and 1.2m thick floats in sea water. The density of the sea water is 1025 kg/m3. The density of ice is 917kg/m3.
At rush hour, the noise from a highway is 10^?4W/m^2 with 100 cars passing a given point a minute. How many cars are now driving on the highway
An object weighing325N in air is immersed in water after being tied to a string connected to a balance. The scale now reads265N. Find the density of the object
Determine the absolute pressure at the bottom of a lake that is 50 m deep. Write yor answer correct to two decimal paces let Patm = 101,300 Pa
A coin placed on a turntable rotating at 36.1 rev/min will stay there if its center is placed no further than 7.1cm from the axis of rotation. find the maximun distance the center of the coin can be placed
If this lens is then immersed in water with a refractive index of 1.33, what will the focal lens of the lens be in this environment
A horizontal beam of positrons initially moving at 3.3 107 m/s is deflected vertically by the vertical electric field between oppositely charged parallel
A small, 100g cart is moving at 1.70m/s on an air track when it collides with a larger, 3.00kg cart at rest. what is the speed of the large cart after the collision
The pattern was recorded by using a neutron detector to measure the neutron internsity at different positions. determine how far the detector was behind the slits
A 22 particle is moving to the left at 26m/s. How much net work must be done on the particle to cause it to move to the right at 51m/s
A hot air heating system rated at 84,000 Btu/hr has an efficiency of 65%. determine the temperature of the outlet air
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