mat
harvest cereal comes in boxes of different sizes.the regular box holds 7/8 pounds.the small box holds 2/3 as much. How much cereal does the small box hold?
physics
A skier of mass 72 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to pull him 65 m up a 30° slope (assumed frictionless) at a constant speed of 2.7 m/s? (b) What power must a motor have to perform this task?
chemistry
What is my theoretical yield of iron II chloride if I start with 34 grams of iron II bromide?
physics
Find the height from which you would have to drop a ball so that it would have a speed of 6.6 m/s just before it hits the ground.
physics
A projectile is launched with a speed of 41 m/s at an angle of 55° above the horizontal. Use conservation of energy to find the maximum height reached by the projectile during its flight.
physics
A sledge loaded with bricks has a total mass of 18.9 kg and is pulled at constant speed by a rope inclined at 19.3° above the horizontal. The sledge moves a distance of 19.8 m on a horizontal surface. The coefficient of kinetic friction between the sledge and surface is 0...
physics
A child and sled with a combined mass of 50.0 kg slide down a frictionless slope. If the sled starts from rest and has a speed of 3.40 m/s at the bottom, what is the height of the hill?
physics
A daredevil on a motorcycle leaves the end of a ramp with a speed of 29.5 m/s as in the figure below. If his speed is 27.1 m/s when he reaches the peak of the path, what is the maximum height that he reaches? Ignore friction and air resistance.
heart
how long does it take to design, test, and get FDA approval of an artificial heart valve?
Relative Acidities
Rank the given compounds on their relative acidity. Here was the order I thought it was but it turned out to be wrong. (i based it based off of sp being most acidic and sp3 being least acidic) STRONGEST HC(triple bond)C-CH3 H2C=CH2 CH3NH2 H2O CH4--> WEAKEST and then I looke...
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