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As soon as a traffic light turns gree, a car speeds up from rest to50.0 mi/h with constant acceleration 9.00 mi/(hr s). In theadjoining bike lane, a cyclist speeds up from rest to 20.0 mi/hwith a constant acceleration 13.0 mi/(hr s). Each vehicle maintainsconstant velocity after reaching its cruising speed.a) For what time interval is the bicycle ahead of the car?b) By what maximum distance does the bicycle lead the car?
q1. a weather vane initially at rest has a moment of inertia of 0.111 kg bull m2 about its axis of rotation. a 53.0 g
a speeder passes a parked police car at a constant speed of 34.9 ms. at that instant the police car starts from rest
The 80 cm-tall, 68 cm wide tank is completely filled with water. The tank has marks every 10 cm along one wall, find Which is the lowest mark you can see
It is believed that a large electric fish known as Torpedo occidentalis uses electricity to shock its victims. What is the total amount of work done during one pulse
An arrow is placed 28.7 cm in front of a convex lens (f=15.0 cm). The convex lens is followed by a concave lens (f= 21.5 cm) 12.8 cm fro the convex lens. obtain the magnification of the image
A 200-turn rectangular coil having dimensions of 3.0 cm by 6.0 cm is placed in a uniform magnetic field of magnitude 0.98 T. Find the current in the coil if the maximum torque exerted on it by the magnetic field is 0.23 N · m.
Two blocks with masses 500g and 510 g are connected to a rope and hung over a 50g cylinder with a radius of 4 cm. What is the rotational inertia of the cylinder
A 12.0-V battery produces 215mA when it's across a 42.0? load. What's the battery's internal resistance
A clock has a pendulum that performs one full swing every 1.5 s (back and forth). What is the length of the pendulum
A small fly of mass 0.20 g is caught in a spider's web. The web vibrates predominately with a frequency of 6.0 Hz. (a) What is the value of the effective spring stiffness constant k for the web? N/m (b) At what frequency would you expect the web to v..
Transcranial magnetic stimulation (TMS) is a noninvasive technique used to stimulate regions of the human brain. Determine the induced emf within a circle of tissue of radius 1.2 mm
A transformer has 100 turns in its primary windings and 500 turns in its secondary winding. calculate the secondary voltage and current
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