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Q. The Bonneville Salt Flats, located in Utah near the border with Nevada, not far from interstate I-80, cover an area of over 30,000 acres. A race car driver on Flats first heads north for 4.46 km, then makes a sharp turn and heads southwest for 2.29 km, then makes another turn and heads east for 3.23 km. How far is she from where she started?
Q. What is the instantaneous power P delivered to the wheel via the force F_vec at time t = 0?
Express the power in terms of some or all of the variables given in the problem introduction.
what is the potential difference between the plates. A particular freely falling object requires 1.85 s to travel the last 31.0 m before it hits the ground. From what height above the ground did it fall.
Consider a large parallel plate capacitor with circular plates of radius R. suppose that the electric field between the plates is increasing.
A ray of light incident upon a mirror makes an angle of 42 with the mirror. What is an angle between the incident ray and the reflected ray.
what would the period of the system be. When a particular mass-spring system is started by stretching the spring 5 cm, one complete oscillation takes 2 seconds.
Water runs out of the horizontal drainpipe at the rate of 120 liters per minute. It falls 3.20 m to the ground. Assume the water doesn't splash up, what average force does it exert on the ground? (1 liter = 1 kg.)
A horizontal uniform bar of mass 2.9kg and length 3.0 m is hung horizontally on two vertical strings. String 1 is attached to the end of the bar, and string 2 is attached the distance 0.74 m from the other end.
At what angle should the road be banked. The charge on the inner shell is 4.59 x 10- 8 C and that on the outer shell is 2.15 x 10- 8 C. Find out the electric field (in N/C) (a) at r = 12.7 cm and (b) at r = 37.3 cm.
Basic science concepts in optics like Which types of electromagnetic radiation can be seen from the surface of Earth.
A photoflash unit makes a very bright light for a very short time. Discuss differences in the exposure of the film with and without a flash unit. Consider the f-stop and shutter speed in your deliberation.
An alpha particle (m = 6.7 ´ 10-27 kg, q = +3.2 ´ 10-19 C) has a speed of 20 km/s at point A and moves to point B where it momentarily stops. Only electric forces act on the particle throughout this motion. Find out an electric potential difference V..
how to estimate the initial temperature of the hot horseshoe.
An arrow is fired with a speed of 23 m/s at a block of Styrofoam resting on a smooth surface. The arrow penetrates a certain distance into block before coming to rest relative to it. All through this process the arrow's deceleration has the magnit..
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