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A 0.30 M solution of sucrose (C12H22O11) at 37oC has approximately the same osmotic pressure as blood. What is the osmotic pressure of blood?
What is the amount of force needed to accelerate a 1.0 kg brick at the rate of 5.0 m/s2?
The freezing point of benzene is 5.5oC. What is the freezing point depression of a solution of 5.00 g naphthalene (C10H8) in 444 g benzene (Kf of benzene = 4.90oC/m)?
Calculate the probability of finding an electron that is described by this wavefunction in a volume of 1.0 pm3 (i) centred on the nucleus.
A 15 g rifle bullet traveling 205 m/s buries itself in a 3.4 kg pendulum hanging on a 2.6 m long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal compon
A gas expands from I to F in Figure P12.5. The energy added to the gas by heat is 418 J when the gas goes from I to F along the diagonal path. What is the change in internal energy of the gas?
By how much does the ball clear or fall short of the crossbar?
A brick is moving at a speed of 3 m/s and a pebble is moving at a speed of 5 m/s. If both objects have the same kinetic energy, what is the ratio of the brick's mass to the rock's mass?
A graduated cylinder contains 145mL of water. A 10.0g piece of iron (density = 7.86g/cm3 ) and a 22.0g piece of lead are added. What is the new water level in the cylinder?
the heat losses from the system to the tank and environment are negligible calculate the total amount of steam enters the tank during the filling process and the fraction of liquid after present at
A continuous voltage signal is to be converted into its digital conterpart using an analog-to-digital converter. The maximum voltage range is +- 30V. The VDC has a 12-bit capacity. Determine (a) num
If the total volume of the jewelry is the sum of the volumes of the gold and silver that it contains, calculate the percentage of gold (by mass) in the jewelry.
An object floats with half its volume beneath the surface of the water. The weight of the displaced water is 2000 N. What is the weight of the object?
A loudspeaker of mass 21.0 kg is suspended a distance of h= 2.20 m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l= 3.50m .
A merry go round is accelerated from rest and attains an angular velocity of 1.2 rad/s in the first 18 secs, if the net applied torque is 1200 Nm what is the moment of inertia
A rectangle block measures 3.00 cm by 1.25 cm by 1.50 cm and has a mass of 28.12 g. What is the volume of the block?
While in Europe, if you drive 107 km per day, how much money would you spend on gas in one week if gas costs 1.10 per liter and your car's gas mileage is 26.0 ? Assume that 1 euro=1.26 dollars.
Bonnie and Clyde are sliding 470 bank safe across the floor to their getaway car. The safe slides with a constant speed if Clyde pushes from behind with 390 of force while Bonnie pulls forward on a
At one point in a skydive, a falling 66 kg skydiver is encountering air resistance of 452 N. How much does the skydiver weigh?
Find the gravitational potential energy as- sociated with the child relative to the child's lowest position under the following condi- tions: when the ropes make a 37.0 degree angle with the horizon
(a) If each child exerts a force of 26 N, how far does each child run?(b) What is the angular acceleration of the merry-go-round?(c) How much work does each child do?(d) What is the kinetic energy o
A 1500-kg automobile travels at 90 km/h along a straight concrete higway. Faced with an emergency situation, the driver james on the brakes, and the car skids to a stop. What will be the car's stop
Alexis is socially withdrawn and has a few close friends. This behavior is most likley to be diagnosed as a symptom of psychological disorder if it is?
Table salt (NaCl) and sugar (C12H22O11) are accidentally mixed A 5.00g sample is burned and 2.20-g of CO2 are produced. What is the mass percentage of the table salt in the mixture?
A 44.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of 105 m/s from the top of a cliff 164 m above level ground, where the ground is taken to be y = 0.