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q1 sunil walks 080 km in a direction 600 west of north then goes 050 km due west what is the magnitude his displacementq2 a piece of wire with mass
q1 if a car travelling at 63 kmh will skid 18 m when its brakes lock how far will it skid if it is travelling at 150 kmh while its brakes lockq2 a
q1 how many 104 w lightbulbs can you use in a 134 v circuit without tripping a 14 a circuit breaker the bulbs are connected in parallel that means
q1 a 420 kg model rocket is launched expelling 570 g of burned fuel from its exhaust at a speed of 675 ms what is the velocity of the rocket after
q1 an electric field of 855x105 vm is desired between two parallel plates each of area 3500 cm2 and separated by 245mm of air what charge should be
q1 an object hangs from a spring balance the balance indicates 40 n in air and 30 n when the object is submerged in water what does the balance
q1 a 22 kg girl slides down a playground slide that is 850 m high when she reaches the bottom of the slide her speed is 340 msif the slide is
q1 the wheel of the car has a radius of 0340 m the engine of the car applies a torque of 282 nbullm to this wheel that does not slip against the road
q1 the specific heat of lead is 128 jkg0c 300 grams of lead shot at 1000c is mixed with 200 grams of water at 00c in an insulated container what is
q1 a plot of pressure as a function of volume is known as a pv diagram pv diagrams are often used in analyzing thermodynamic processes consider an
q1 a 200 kg metal block slides on a rough horizontal surface inside an insulated pipe after sliding a distance of 5000 m its temperature is increased
q1 an electrical generating plant operates at the boiler temperature of and exhausts the unused heat into a nearby river at what is the maximum
q1 a 52 kg person escapes from a burning building by jumping from a window 50 m above a catching net assuming that air resistance exerts a 95 n force
q1 sea launch mission planners are going to launch their russian launch vehicle from a lo 3 degrees into leo with an inclination of 34 degrees and
q1 a ball tied to the end of the string is swung in a vertical arc of radius r under the action of gravity what would be the tension in the string at
q1 a machinist starts with three identical square plates but cuts one corner from one of them two corners from the second and three corners from the
q1 a 65 kg hiker has fallen down a hole one rescuer attaches a rope to the injured hiker and then a second rescuer pulls the injured hiker straight
q1 a sailboat is running along a straight course with the wind providing a constant force of 55 lb the only other force acting on the boat is
q1 a cylinderical water tank of radius 10ft and height 30ft is half filled with water how much work is essential to pump all of the water out through
q1 a 219 kg block initially at rest is pulled to the right along a horizontal surface by a constant horizontal force of 161 n the coefficient of
q1 a school bus takes 089 h to reach the school from your house if an average velocity of the bus is 211 kmh to the east what is the displacementq2 a
q1 the radius of a circle is measured to be 136 plusmn 02 m calculate each of the following and give the uncertainty in each valuewhat is the
q1 a 30 kg basketball travelling at 15ms collides with the 20- kg baseball which is initially at rest in the elastic collision after the collision
q1 chuck norriss razor blade has an output force of 2500 lbs is used to shear his burley face the shaving blade has the 035 inch thick blade with a
q1 if the four-engine jet accelerates down the runway at 4 ms2 and one of the jet engines fails how much acceleration would the other three produceq2