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A cannon is placed on the ground and angled 36.87 above thehorizon, to shoot a balloon wich is 500 meters away. The observorin the balloon is initially terrified, but then is relieved whenthe cannon ball passes 100meters under him.
At what time does the cannon pass under the ballon?
Whats the max height of the cannon ball?
How high is the balloon?
Whats the initial velocity?
Whats the final velocity?
Two blocks are connected by a string. The smooth inclined surface makes an angle of 35 degrees with the horizontal, and the block on the incline has a mass of 5.7 kg . The mass of the hanging block is = 2.9 kg.
A 2.10 sound wave travels through a pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward sound receiver as the heart beats. The reflected sound is then mixed with the transmitted soun..
What is the magnitude of the negative point charge that must be fixed to the fourth corner, so that the charge at the diagonally opposite corner experiences a net force of zero?
A person's eyeball has a diameter D (measured from lens to retina). find Where is this person's near point and far point
Monochromatic light of wavelength 600 nm illuminates a single slit of width 6.5 um and a diffraction pattern is created on a wall. The central maximum has a width of 3.5m. Determine the separation between the slit and the wall.
A 17.00 kg block is pushed up a frictionless inclined plane that makes an angle of ? = 33 o with the horizontal direction. What force is needed to move the block with constant speed
A block of mass M is held motionless on a frictionless inclined plane by means of a string attached to a vertical wall as shown in the diagram.what is the magnitude of the tension t in string.
a 25.0 kg propeller may be considered a 4.5m long rod spun about its center. What final angular velocity does the propeller have if a torque of 1100 Nm is applied for 1.2 sec
After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 49.0. What is the magnitude of the gravitational acceleration on this planet
If the elastic limit of steel is 5.0 multiplied by 108 Pa, determine the minimum diameter a steel wire can have
Which of these statements is true about circuit components connected in parallel? The potential drop across each component will be the same. Both the current passing through and the potential drop across each component are different. The same amou..
Ricardo and Maria both move to the center of the canoe. Ricardo notices that the canoe moves a distance d = 0.37 m relative to a rock that is stationary in the water. What is Maria's mass in kg
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