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Suposse that a Ferrari and a Porsche begin a race with a moving start and each moves with constant speed. One lap of the track is 2 Kn. The f laps the P afetr the P has completed 9 laps. If the speed of teh F had been 10km'h les , the P would have travelled 18 laps before being overtaken. what were the sppeds of the two cars.
Two capacitors C1 and C2 are connected in parallel to one another, Find the equivalent capacitance of the system if the C1, C2, C3 are respectively 4, 6, 3.6 uF respectively
A centrifuge in a medical laboratory is switched on and rotates through 3900 revolutions. determine the final angular speed of the centrifuge
An asteroid is discovered heading straight toward Earth at 13km/s. An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10 mins, after which the asteroid is moving at 28 degrees to its original path at a..
With what force F should she pull down on the rope to accelerate herself and platform upward at a rate of 0.77 m/s2.
State the direction as an angle with respect to the +x axis.
a solenoid with length of 2.71 m and N= 311 turns/m carries a current 2.63 A. It stores 2.57 J of energy. What is the cross-sectional area of the solenoid
After the NEAR spacecraft passed Mathilde, on some occasion's rocket propellant was expelled to adjust the spacecraft's momentum in order to follow a path that would approach the asteroid Eros, final destination for the mission.
A physics professor wants to demonstrate the large size of the henry unit. On the outside of a14-cm-diameter plastic hollow tube, How many kilometers of copper wire will be required
A laser beam in air is incident on a liquid at an angle of 38.0 with respect to the normal. What is the critical angle for total internal reflection for this fluid
Compute the mean and maximum velocities for a liquid with a flow rate of 20 L/min in a 1.5-in nominal diameter sanitary pipeline
q1.a race car starts from rest on a circular track of radius 453 m. the cars speed increases at the constant rate of
What is the speed of bulky cart after the collision
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