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A pedestrian is running at his maximum speed of 6.0 m/s to catch a bus stopped by a traffic light. When he is 25 metres from the bus, the light changes and the bus accelerates uniformly at 1.0 m/s2.
By use of a graph find:
(a) how far he has to run to catch the bus
(b) his "frustration distance" (closest approach).
Do not use a graphing calculator.
A proton is shot perpendicularly at an infinite plane of charge. What must its velocity be so that it screeches to a halt exactly as it reaches the plane
The electric potential in a region of space is V=300Vm/(x2+y2)(1/2), where x and y are in meters. What is the strength of the electric field at (x,y)=(3.0m,1.5m)
Earthquakes generate sound waves inside Earth. Unlike a gas, Earth can experience both transverse (S) and longitudinal (P) sound waves, how far away did the earthquake occur
As long as you don't stretch it too much, the force exerted by the spring obeys Hooke's Law. The further you stretch the spring, the harder it pulls back on you. How far does the spring stretch from equilibrium
If we make the approximation that the Earth's atmosphere is isothermal, with T=290K, what is the mass of the Earth's atmosphere. What is the ratio of the mass of Earth's atmosphere to the total mass of the Earth
Raindrops fall 1500 m from a cloud to the ground. If they were not slowed by air resistance, how fast would the drops be moving
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jupiters moon io is has an orbital radius of 421000 km around the planet jupiter mj 1.9 x 1027 kg. this means
When a person inhales, air moves down the bronchus (windpipe) at 17 cm/s. The average flow speed of the air doubles through a constriction in the bronchus. Assuming incompressible flow, determine the pressure drop in the constriction.
About the origin, a)what is the z-component of the angular momentum of the particle? B)About the origin, what is the z-component of the torque acting on the particle?
1. Read the article on The Third Wave. 2. What do you think of the teacher's actions? 3. What do you think of the student's actions? This piece was written in the 1970s. Do you think today's students would act the same way? Why or Why not. 4. ..
A square wire loop with sides 0.1 m and a current of 10 A is placed in a magnetic field of magnitude 0.1 T. What is magnetic dipole moment of the loop
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