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Two physicists (on oppisite sides of a cage) are pulling on ropes tied to a lion. Together they must supply a total force = 200 N directed only along the x axis in order to drag the lion straight into the cage. Physicist 1 pulls his rope with a force T1 = 100 N at an angle theta 1 = 60 degree to the axis. What are the force T2 and angle theta 2 of the rope pulled by the physicist 2?
A car sits in an entrance ramp to a freeway, waiting for a break in the traffic. when it reaches the end of the ramp, which has length 118m
If the original black guinea pigs produce an average of 10 offspring per mating, how many matings would you have to make with these same parents before you'd expect to see a white guinea pig
A rock is dropped into an abandoned mine, and a splash is heard 4s later. how fast the rock was falling when it hit the water
A 45.5-g golf ball is driven from the tee with an initial speed of 40.3 m/s, determine the kinetic energy of the ball at its highest point
A snowboarder starts from rest and rides 39.47 m down a snow-covered slope that makes an angle of 33.19° with the horizontal, How far will she travel along the flat snow
1. What are the subunits and functions of carbohydrates 2. What are monosaccharides, disaccharides, and polysaccharides 3. What are the subunits and functions of lipids 4. Why is a fat a better storage compound than starch
How has the meteorological aspect of temperature changed from early beginnings of the Earth through present time and what is happening to the overall global temperature of the Earth?
Two 2.50cm×2.50cm plates that form a parallel-plate capacitor are charged to ± 0.708nC, What is the potential difference across the capacitor
A skydiver drops from a hot air balloon floating 5000 meters above the ground. What was the average vertical speed of the skydiver
Red light of wavelength 633nm from a helium-neon laser passes through a slit 0.360mm wide. What is the width of the first bright fringe on either side of the central one
Two ants race across a table 74 cm long. One travels at4.64 cm/s and the other at 3.99999 cm/s. while first one crosses the finish line, how far behind is the second one? Answer in units of cm.
your car engine just died. your were moving rightward at 25 m/s, but your car slows to a rest in a distance of 120 m. what net average force was exerted on the car
Plutonium decays radioactively by emitting an alpha particle from its nucleus, If the alpha particle comes from the surface of the Plutonium nucleus, what is its greatest acceleration
A fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. obtain the work done on the jet by the catapult
Consider a pair of charged parallel plates, each having an area of 5cm^2. what is the magnitude of the electric field in the space
An LC circuit has a 7.88 mH inductor. The current has its maximum value of 0.73 A at t=0 s, What is the value of the capacitance
You are moving into an apartment and take the elevator to the 6th floor. Suppose your weight is 670 N and that of your belongings is 1030 N. Determine the work done by the elevator in lifting you
There are two capacitors of capacitance 5.0uF and 8.0uF are connected in series. Find the equivalent capacitance of the network and the charge on each plate of the capacitors
A mass of 10kg is sliding up a frictionless plane inclined at 10 degree. How far does the mass move up along the plane
A 10.0-kg object experiences a drag force due to air resistance. At what velocity (magnitude and direction) is the net force on the object twice its weight
Maddox takes off on his jet ski so they have a combined mass of 319.86kg. The skis have a thrust of 982.13N, What is Maddox's top speed
A uniform plank of length 5.70 m and weight 215 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support. To what distance x can a person who weighs 452 N walk on the overhanging part of the plank before it just be..
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