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Male mosquitoes in the mood for mating find female mosquitoes of their own species by listening for the characteristic "buzzing" frequency of the female's wing beats
When the temperature of a coin is raised by 85.4 C°, the coin's diameter increases by 3.08 x 10-5 m. find the coefficient of linear expansion
A heat pump has a coefficient of performance of 3.90, How much energy does it deliver into a home during 12 h of continuous operation
A bird flies 25.0 m in the direction 55° east of south to its nest. What are the northward and westward components of the resultant displacement of the bird
A vector has an x component of -24.0 units and a y component of 36.4 units. Find the magnitude and direction of this vector
Estimate the average power of a water wave when it hits the chest of an adult standing in the water at the seashore
A guitar string is 90.0 cm long and has a mass of 3.23g. find the frequencies of the fundamental and first two overtones
the displacement of a standing wave on a string is given by D = 2.8sin(0.70x)cos(55 t), Find the speed of a particle of the string
Cat rides a merry-go-round turning counter clock wise at a uniform speed. There, the cat is under uniform circular motion. what is the time taken by the cat to complete a full circle
A parallel plate capacitor has a capacitance of 8.0 µF when filled with a dielectric. estimate the dielectric constant of the dielectric
If the end of the crutch is a circle of radius 1.0 without the tip, by what factor does the tip reduce the pressure exerted by the crutch
A fire truck has a siren with that generates a sound with a frequency of 8562 Hz. what frequency will you observe
A sound pulse has a power of 893.1 watts. It is radiating outwards from a point and at the time of observation is a radius of 7861.6 m from that point
A 250 g piece of ice at 0°C is placed in 430 g of water at 22°C. What is the final equilibrium temperature of the system
A 25 g glass tumbler contains 450 mL of water at 24°C. what is the final temperature of the drink
In a cement mixer, cement, gravel and water are mixed by tumbling in a slowly rotating drum. Calculate the maximum angular speed for which the materials will mix
Equipotentials between two parallel lines with a floating circular electrode: I dont need to know the exact potentials, What should be the potential inside the electrode
A 10.0kg stone slides down a snow-covered hill (the figure (Figure 1) ), leaving point A with a speed of 10.0m/s. How far will the stone compress the spring
The position function x(t) of a particle moving along an x axis is x = 4.0 - 4.5t2, with x in meters and t in seconds. At what negative time does the particle pass through the origin
As you travel every day to campus, the road makes a large turn thatis approximately an arc of a circle. What is the maximum safe speed forthe turn when the road is wet
Two charged particles, Q1 = +4.90 nC and Q2 = -2.80 nC, are separated by 36.0 cm. What is the electrical potential energy of the pair
A 1030 Kg car going 3.4m/s through a parking lot hits and sticks to the bumper of a stationary 1140 kg car. Find the speed of the joined cars immediately after the collision
A .075 Kg toy rocket is launched straight up from the ground at 19 m/s. Calculate the power of gravity force during the first 10s
A vector has an x-component of ?30.0units, Find the magnitude and direction of the vector
Two infinitely large plates are arranged so that they are parrallel, and seperated by a distance d. What is the approximate electric field outside the plates