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Three charged particles are placed at the corners of an equilateral triangle of side 1.20 m. The charges are + 7.0 mc,-8.0 mc and -6.0 mc. Calculate the magnitude and direction of the net force on
Suzie (of mass 78 kg) is roller-blading down the sidewalk going 48 miles per hour. She notices a group of workers down the walkway who have unexpectedly blocked her path, and she makes a quick stop
If the table is 1 m above the floor and the impact point is 1.5 m horizontally from the gun, what is the velocity of the ball when it leaves the gun? What is the time of flight?
You are tired of living on beanie-weenies and potted meat sandwiches.
Two particles of masses m and 3m are moving toward each other along the x-axis with the same speed v. They undergo a head- on elastic collision and rebound along the x- axis. Determine the final sp
A superhero flies 147 m from the top of a tall building at an angle of 31 degrees below the horizontal. What is the vertical component of the superhero's displacement?
The molecule has a rotational kinetic energy that is of the translational kinetic energy of its center of mass. What then is the molecule's angular speed about the center of mass?
The Moon's mass is 1/80 that of Earth, and the lunar radius is 1/4 Earth's radius. Based on these figures, calculate the total weight on the Moon of a 100-kg astronaut with a 50-kg spacesuit and ba
How do microorganisms utilize triglycerides
A long hollow cylindrical conductor (inner radius = 2.0 mm, outer radius = 4.0 mm) carries a current of 12 A distributed uniformly across its cross section. A long wire which is coaxial with the cy
Vector is 6.2 units long and points along the negative axis. Vector is 8.1 units long and points at 30 to the positive axis. What is the magnitude of the sum?
Circuit containing a 15Ω resistor is perpendicular to a uniform magnetic field that starts out at 2.65T and steadily decreases at 0.25T/s. While this field is changing, what does the ammeter r
Which of the following statements describes a proximate cause?
A highway curve with a radius of 550 m is banked properly for a car traveling 140 km/h. If a 1550- kg Porshe 928S rounds the curve at 220 km/h, how much sideways force must the tires exert against
Which of these statements regarding enzymes is false?
If the kinetic energy of a car (mass 1456 kg) is equal to the total energy used by the house in 1 min, what is the car's speed?
A clock of mass 200g is connected to horizontal spring that is on a frictionless surface . we apply a force of 120 N that compresses the spring by 30 cm and release the block from rest a) what is t
Explain how are giadia cells similar to typical prokaryotic and eukaryotic cells?how do you think they should be clasified?
What is the strength of the magnetic field required to exactly balance the weight of the proton and keep it moving horizontally?
Research protist parasites in the Genus Giardia.
Which one of the following gasses in seawater must be fixed into useful chemical forms by specialized organisms in order to be assimilated by animals?
A car going north on Guadalupe approaches a red light at 24th street. The driver applies the brakes. At that point, what is true? Take the north- ward direction to be the positive x direction.
Pregnant patient comes into a clinic and asks about a small dark bulge that is becoming more apparent on her leg
The spring scale in the diagram below reads 10.5 N. If the cart moves toward the right with an acceleration also towards the right of 3.25 m/s2, what is the mass of the cart?
How do organisms demonstrate exponential (r) or logistic (K) reproductive strategies?