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Solve the following problem given below:
Problem I: Calculate the buoyant force on a 2.10-L helium balloon at sea level.
Problem II: Given the mass of the rubber in the balloon is 1.50 g, what is the net vertical force on the balloon if it is let go? You can neglect the volume of the rubber.
Show each steps for the above problems.
The box of a well-known breakfast cereal states that one ounce of the cereal contains 110 Calories (1 food Calorie = 4186J). If all this energy could be converted with a weightlifter’s body into work done in lifting a barbell, what is his heaviest ba..
After a completely inelastic collision, two objects of the same mass and same initial speed are found to move away together at 1/2 their initial speed
A vehicle is speeding at 115 km/h on a straight highway when a police car moving at 145 km/h enters the highway from an onramp and starts chasing it.
A batter hits a pitched ball when the center of the ball is 1.09 m above the ground. The ball leaves the bat at an angle of 45° with the ground. With that launch, the ball should have a horizontal range (returning to the launch level) of 107 m.
Suppose you are a researcher doing such an experiment in a location where the earth's field is 50 ?T at a 60 ?angle below horizontal. What is the proper orientation of the coil
A baseball outfielder throws a 0.150-kg baseball at a speed of 40.0 m/s and an initial angel of 30.0 degrees. What is the kinetic energy of the baseball at the highest point of its trajectory?
a generator has a dome of radius 2.0 m. a motor causes a charged insulating belt to travel continuously between
A cannon is launched at an angle of 45.00 and the cannon ball lands 301 m away. How long was the cannon ball in the air
Consider a system consisting of three particles: m1 = 5 kg, 1 = m/s, m2 = 3 kg, 2 = m/s, m3 = 5 kg, 3 = m/s. What is the translational kinetic energy of this system
An X-ray tube is similar to a cathode-ray tube. Electrons are accelerated to high speeds at one end of the tube. What speed would this potential difference give to protons
explosives are used to blow a rock apart. the explosion blows the rock into three fragments. two fragments go off at a
A 0.50-?F and a 1.4-?F capacitor (C1 and C2, respectively) are connected in series to a 14-V battery. Calculate the charge on each capasitor assuming the two capacitors are in parallel
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