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If beetroot cylinde placed in tje testube of 0.5 percent saponin at 20 degree for 30 min?
A 4.4 kg block starts at rest and slides a distance d down a frictionless 32.0 degree incline. What is the value of d? What is the distance between the point of first contact and the point where the b
A 22 kg girl slides down a playground slide that is 8.5 m high. When she reaches the bottom of the slide, her speed is 3.4 m/s.
A 25.0 block sits at the center of the turntable. A compressed spring shoots the block radically outward along a frictionless groove in the surface of the turntable. What is the turntable's rotation
A black mare was crossed to a chestnut stallion and produced a bay son and a bay daughter.
What is the magnitude of the frictional force acting on the case as the truck accelerates at 2.48 m/sec^2
What are the speeds of each after the collision? What is the direction of the proton after the collision?What is the direction of the carbon atom after the collision?
The wheel of a car has a radius of 0.370 m. The engine of the car applies a torque of 282 N·m to this wheel, which does not slip against the road surface. Since the wheel does not slip, the
Find the change in momentum of a 1080 {rm kg} car that increases its speed from 5.0 {rm m/s} to 14.5 {rm m/s} in a time of 11 {rm s} while traveling in the same direction?
A 50 ball of clay traveling at speed hits and sticks to a 1.0 block sitting at rest on a frictionless surface. What is the speed of the block after the collision?
The specific heat of lead is 128 J/kg0C. 300 grams of lead shot at 1000C is mixed with 200 grams of water at 00C in an insulated container. What is the final temperature of the mixture?
Tension, Weight: Your are part of a team to help design the atrium of a new building. Your boss, the manager of the project, wants to suspend a 20-lb sculpture high over the room by hanging it from
For an object with a coefficient of 0.63, what fraction of the object's kinetic energy is lost during a single collision?
A 95.0-kg fullback moving south with a speed of 5.0 m/s has a perfectly inelastic collision with a 90.0 kg opponent running directly at him with a speed of 3 m/s. Calculate the decrease in total en
In a particular region of Earth's atmosphere, the electric field above Earth's surface has been measured to be 140 N/C downward at an altitude of 240 m and 167 N/C downward at an altitude of 390 m.
How many excess electrons make up this charge? What is the percentage of the mass of these excess electrons to the mass of the penny?
Cyanide binds with at least one molecule involved in producing ATP. If a cell is exposed to cyanide, most of the cyanide would be found within the?
Determine the maximum fraction [moff/mtotal] that can hang over the edge without causing the whole washcloth to slide off the table.
What is Tension in the chain at the point where the chain is attached to the block? What ia the tension of the chain midway up the chain. And Determine the tension in the chain at the point where th
What is the angle when he releases the rope? What is the tension in the rope just before he releases it?What is the maximum tension in the rope?
A 52 kg person escapes from a burning building by jumping from a window 50 m above a catching net. Assuming that air resistance exerts a 95 N force on the person during the fall, determine the pers
What is the chemical composition of a buffer? How do buffers work?
A man swings his child in a circle of radius .75 meters. if the mass of the child is 25 kilograms and the child makes one revolution in 1.5 seconds, what is the magnitude and direction of the force
Consider a one-dimensional elastic collision between a moving object A and an object B initially at rest. How would you choose the mass of B, in comparison to the mass of A, in order that B should