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An 9.00 {rm kg} point mass and a 14.0 {rm kg} point mass are held in place 50.0 {rm cm} apart. A particle of mass m is released from a point between the two masses 14.0 {rm cm} from the 9.00 {rm kg}
A 2.1 x 10^3 kg car starts from rest at the top of a driveway that's sloped at an angle of 20.0 degrees with the horizontal. An avg. friction force of 4.0 x 10^3 impedes the cars motion so that the
A 63.0 resistor is connected in parallel with a 115.0 resistor. This parallel group is connected in series with a 19.0 resistor. The total combination is connected across a 15.0 V battery. (a) Find
Three point charges with values = 4.00 , = 3.00 , and = 5.00 are placed on three consecutive corners of a square whose side measures = 2.00 . Point A lies at the fourth corner of the square, diagona
The initial temperature of system is 313 K and the pressure of the gas is held constant at 137 kPa.The temperature is now increased until the height of the piston rises from 23.4 cm to 26.0 cm. Wha
If the coefficient of friction between road and tires on a rainy day is 0.100, what is the minimum distance in which the car will stop?
A canoe has a velocity of 0.510 southeast relative to the earth. The canoe is on a river that is flowing at 0.560 east relative to the earth. Find the magnitude of the velocity of the canoe relativ
A freight company uses a compressed spring to shoot 1.70 kg packages up a 1 m high frictionless ramp into a truck. The spring constant is 241 N/m and the spring is compressed 33.0cm. What is the spe
A worker pushes horizontally on a large crate with a force of 299 N, and the crate is moved 5.5 m. How much work was done?
The Honda accelerates, and when it is traveling at 23.0 m/s, the Porsche starts. How far do the cars travel from the starting point before the Porsche catches up with the Honda?
What do you use to find a sclerenchyma's structure?
Two simple pendulums have length of 81 cm and 64 cm they are released from the same angular position at the same instant. After how much time will they both arrive at their initial position simulta
A 9.0 V battery is connected to a bulb whose resistance is 2.5 . How many electrons leave the battery per minute?
A cluster of galaxies has a radius of about 5.2 million light-years (4.9×10^22 ) and an intracluster medium with a temperature of (6.5×10^7) K. Estimate the mass of the cluster. Give yo
In many countries, conservationalists are trying to design national park systems so that "islands" of natural area are connected by thin "corridors" of undisturbed habitat. The idea is that this arran
A 9.80 kg object oscillates at the end of a vertical spring that has a spring constant of 1.75 104 N/m. The effect of air resistance is represented by the damping coefficient b = 3.00 N·s/m.
The craft has velocity components of vx = 3785 m/s and vy = 4096 m/s. Find the magnitude and direction of the initial velocity. Express the direction as an angle with respect to the +x axis.
Two identical perfect gases with the same pressure P and the same number of particles N, but different temperature T1 and T2, are confined in two vessels, of volume V1 and V2, which are then connec
What is the driving force for the movement of materials in the phloem of plants?
A laser with wavelength d/8 is shining light on a double slit with slit separation 0.300 {rm mm}. This results in an interference pattern on a screen a distance L away from the slits. We wish to shi
Explain the relationship between the change in mass and the molarity of sucrose within the potato cores
If the speed of sound is 330 m/s, how many seconds after the whistle is heard at the crossing will the train cross there?
When one person was talking in a small room, tyhe sound intensity level was dB every where within the room. then, there were 14 people talking in similar manner simultaneously in the room, what was
What is the chief purpose of the photosynthetic purpose?
At the end of the firing period, the craft has velocity components of vx = 3610 m/s and vy = 5138 m/s. Find the magnitude and direction of the initial velocity. Express the direction as an angle wit