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A car whose mass is 1600kg including the driver has a maximum acceleration of 1.20m/s squared. When a certain passenger is also in the car, its maximum accelration becomes 1.13 m/s squared. Find the mass of the passenger
the wavelength of a light wave is 700nm in air this light appears red. if this wave enters a pool of water its
a- explain what happenes with the heat and temperature for a subzero ice cube changing into steam.b- explain specific
A 2.0 mm diameter plastic bead is charged to - 1.0nC. A proton is fired at the bead from far away with a speed of 1.0x10^6 m/s, What is the impact speed
A 124-kg balloon carrying a 22-kg basket is descending with a constant downward velocity of 18.5m/s. How high was the balloon when the rock was thrown out
An object starts from rest at the origin and moves along the x axis with a constant acceleration of 4 m/s2 . Its average velocity as it goes from x =2m to x = 8m is:
an object which has a height of 12.5 cm is placed 45.0 cm in front of a concave spherical mirror which has a focal
A ball is thrown directly downward, by an initial speed of9.00 m/s, from a height of 29.0 m. After what time interval does the ball strike the ground?
To determine the muzzle velocity of a bullet fired from a rifle, you shoot the 3.71-g bullet into a 2.45-kg wooden block. find the velocity of the bullet on leaving the gun's barrel
Through one possession in a football game, a team lost 3 yards, gained 12 yards, lost 2 yards, lost 4 yards, and gained 9 yards. What was the average number of yards gained or lost through the possession?
1. What is the main purpose of human communication? 2. Name the two distinct areas of communication and give an example of each. 3. In your own words, define a ‘problem'
A Pelton impulse turbine has blades designed so that the direction of the incoming water jet with speed u is reversed. If the speed of the blades is u_c then, relative to the blade, the magnitude of the total change in the velocity of the jet is 2..
a cannon fires a cannonball from the top of a wall at a speed of 29.42 ms and an angle of 13.75 degrees from the
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