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Imagine you are driving at speed 60 mph through air filled with bugs at concentration 1 per cubic meter. The windshield is a flat panel of area 2 m^2 tilted so that it is at 60 degrees with the ground. How many bugs will you collect in 5 min?
a candle 8.80 cm high is placed in front of a thin converging lens of focal length 40.0 cm. what is the image distance
a point charge of -7.0 u c is at the origin.part a what is the electric potential at 3.0 m 0? express your answer
An object weighs 302 N in the air. When tied to a string, connected to a balance, and immersed in water, it weighs 220 N. When it is immersed in oil, it weighs 257 N. what is the density of the object.
A 5.00g bullet is fired horizontally into a 1.20kg wooden block resting on a horizontal surface. What was the initial speed of the bullet
A mixture of 150 g of ice and 300 g of water is at 0 degressC. How many joules f heat energy must be transferred to brind thismixture to a final temp of 75 degress C
A piece of glass has a temperature of 81.0 °C. Liquid that has a temperature of 37.0 °C is poured over the glass, completely covering it, determine the specific heat capacity of the liquid
A mass of 5.0 kg is attached to one end of a spring with a spring constant 80 N/m. The other end is attached to a rigid wall. The spring is initially at rest in its equilibrium position, then a force of 100 N pulls the mass away from the wall, str..
A bullet moving horizontally with a speed of 500 m/s strikes a sandbag and penetrates a distance of 10 cm. What is the average acceleration of the bullet while it is in the sand bag
The motion detector used in a physics lab sends and receives 49.55 kHz ultrasonic pulses. find the wavelength of the waves emitted by the motion detector
Consider the RC-circuit with R = 3 k%u03A9, C = 100 %u03BCF, and E = 12 V and a switch. At t = 0 the capacitor is empty and the switch is closed to the charging begins. Calculate the time constant of the circuit
suppose an electron is accelerated by an electric field between two plates plate a and plate b. assume the electron
A bungee cord is stretched between two poles with a force of 390 N. What is the velocity of a wave on this bungee cord
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