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The flowers of the bunchberry plant open with astonishing force and speed, causing the pollen grains to be ejected out of the flower in a mere .3 ms at an acceleration of 2.5 * 104 m/s^2. The grains are ejected from the flower at 7.5 m/s. - Suppose that 1000 pollen grains slam into the abdomen of a 5.0 g bee that is hovering just above the flower. The grain's mass is 1.0 * 10-7 g. If the collision is inelastic, what is the bee's speed immediately afterward?
The first puck is deflected 35.8° to the right and moves off at 0.331 m/s. Find out speed of the second puck after the collision.
do believe that we as a country should be taking more or less preventative measures against global warming?explain why
A 1200-kg car carrying four 88 kg people travels over a "washboard" dirt road with corrugations 4.3 m apart. The car bounces with highest amplitude while its speed is 13 km/h. While the car stops, and people get out, by how much does the car body ..
An object starting from rest accelerates at 3.00 m/s2for 10.0 s. The object then continues at a constant velocity for 5.00 s. find the objects displacement from the original starting point
A ball is kicked with initial velocity of 14.9 m/s in the horizontal direction and 15.7 in the vertical direction. At what speed does the ball hit the ground
20 g of helium are placed in a cylinder with a movable piston. What is the maximum temperature reached during the compression
A cylindrical piston sits on top of hydraulic fluid that exerts a force of 240 N on the piston. Find the magnitude of the net force on the piston
Water is moving with a speed of 24.8 m/s through a pipe with a cross-sectional area of 3.0 cm2. What is the speed of flow at the lower level
A 45.0 g ball of copper has a net charge of 1.75 µC. What fraction of the copper's electrons have been removed
A sample of paramagnetic material containing \(10^{25}\) atoms is placed in an external field magnetic field of 1 tesla at room temperature
What must be the area of a suction cup that is completely evacuated and a ceiling if the cup is to support a child who weighs 30 kg
A ball is suspended by a string and moves in a horizontal circle. One such pendulum has a 100g ball at the end of a 1.5 meter long string and has an orbit of radius 30.0cm. Determine the net force acting on the ball and the acceleration
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