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Question1
The distance between an object and its image is fixed at 40.0 cm. A converging lens of focal length f = 6.53 cm forms a sharp image for two positions of the lens. What is distance a between these two positions?
Question2
According to measurements made in 1910, a common flea can jump 0.330 m. assume that the flea's original speed is 2.20 m/s, find the angle with respect to the ground at which the flea leaps. (Hint: Use the trigonometric identity sin θ cos θ = 1/2 sin 2θ
Presume the needle moves 7.5 mm from its highest to its lowest position and it makes 26 stitches in 9.1 s. What is the highest needle speed.
If the maximum acceleration the vehicle's brakes are capable of is -5 m/s2, what is the maximum reaction time of the motorist that would allow her or him to avoid hitting the deer.
If the operators of a spy satellite pondered using it to photograph license plate numbers. what is the smallest distance between two points that it can resolve
A 1000 ? resistor is joined in series with a 600m H inductance and a 24 Volts battery. What is the time constant of the circuit
When a hammer strikes a nail, it is compressed along its length. Suppose that a steel nail 6.00 cm long, What is the impulse imparted to the hammer
Charge Q = 17E-8 C is placed in the origin. Location A is -3.00m from the charge while location B is 2.00m from the charge. A) Find the potential difference VB - VA between the two points. B) Which point is at the higher potential? Type either "Po..
Two students are on a balcony 18.30 m above the street. One student throws a ball, b1, vertically downward at 16.80 m/s. At the same instant, the other student throws a ball, b2, vertically upward at the same speed.
Calculate the work done on a gas, the change in internal energy of the gas, the heat added to the gas, and the change in entropy of the gas when 1.12 moles of oxygen
Four identical masses of 2.1kg each are located at the corners of a square with 2.0m sides. What is the net force on any one of the masses
Two particles with Q1 = 50 µC and Q2 = 79 µC are initially separated by a distance of 2.4 m, What is the change in the electric potential energy
When the cannon is fired, the ball moves 15.3 cm through the horizontal barrel of the cannon, and there is a constant frictional force of 0.0322 N between the barrel and the ball. Illustrate at what point does it have its max speed?
Find the lowest energy of the system (in electron volts) and list the quantum numbers of all occupied states. Find when the current in the solenoid increases to 5.0 A in a period of 0.90 s.
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