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A dragster starts from rest and accelerates down a track. Each tire has a radius of 0.320 m and rolls without slipping. At a distance of 401 m, the angular speed of the wheels is 318 rad/s. Determine
(a) the linear speed of the dragster and
(b) the magnitude of the angular acceleration of its wheels.
Two light sources are used in a photoelectric experiment to determine the work function for a particular metal surface. Based on this measurement, what is the work function for this metal
Gold is the most ductile of all metals. For example, one gram of gold can be drawn into a wire 2.25 km long. What is the resistance of such a wire at 20°C
5.00 g of ice at -10.0 celsius are added to 20.0 mL of hot coffee at 60.0 celsius, What is the final temperature of the coffee
q1. a vertical electric field of magnitude 3.00 multiplied by 104 nc exists above the earths surface on a day when a
The electric motor of a model train accelerates the train from rest to 0.580 m/s in 33.0 ms. the total mass of the train is 563 g. Find out the average power delivered to the train during its acceleration. The units need to W for the final answer.
River Pascal with a volume flow rate of 3.4x10^5 L/s joins with river Archimedes, which carries 1.12x10^6 L/s, to form the Bernoulli River. What is the speed of the water in the Bernoulli River
Starting from rest, a 40 kg body reaches a speed of 8.0m/s in 2s. Calculate the force acting on the body?
The average banana contains 0.436 g of potassium, and 0.012% of naturally occuring potassium is 40K, What is the activity of a freshly picked bunch containing four bananas
If an electron makes a transition from the n = 4 Bohr orbit to the n = 3 orbit, determine the wavelength of the photon created in the process
a long horizontal wire carries a current of 48 amps. A second wire, made of 2.5 mm diameter copper wire and parallel to the first, is kept in suspension magnetically 15 cm below. Determine the magnitude and direction of the current in the lower wi..
Horse races once around a circular track in a time of 176 s, with a speed of 26 m/s. What is the radius of the track.
A small oven has a surface area of 0.26 m2. The insulated walls are 1.3 cm thick with an average thermal conductivity of 0.040 W/moC. What is the rate of heat loss
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