Bob is moving away from Alice with speed of 0.5c. Carlos is moving away from Alice...
Bob is moving away from Alice with speed of 0.5c. Carlos is moving away from Alice and perpendicular to Bob with speed of 0.8 c. What is the speed of Carlos as measured by Alice?
Homework Answers
As Carlos is moving with 0.8c with respect to Alice, then then the speed of Carlos measured by Alice is 0.8c.
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Bob is moving away from Alice with speed of 0.5c. Carlos is
moving away from Alice...
Alice G LOO Bob Let's revisit the simultaneity problem from worksheet 11. To make things concrete,...
Alice G LOO Bob Let's revisit the simultaneity problem from worksheet 11. To make things concrete, we'll include specific numbers. Bob is standing on the ground watching Alice go by in a high-speed train. As seen in Bob's reference frame, Alice is traveling to the right at speed v = +0.80c. As measured in Bob's frame, Alice's rail car is 12 m long. Alice is sitting in the exact center of the train car. At the instant that the Alice...
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n11. A spaceship is moving away from an asteroid with a...
If you see Alice going to your left at exactly 0.99c and Bob going to your...
If you see Alice going to your left at exactly 0.99c and Bob going to your right at exactly 0.99, Alice will say that Bob is a) going away from her at 1.98c b) going away from her at exactly 0.99c c) going away from her at exactly c d) going away from her at about 0.98 e) going away from her faster than 0.99c, but slower than c
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2. Alice and Bob are swimming in a river. They start together at the same point...
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2. Alice and Bob are swimming in a river. They start together at the same point...
2. Alice and Bob are swimming in a river. They start together at the same point on the bank of a wide strcam that flows with a speed v. Both move at the same speed c (where c > v) relative to the water. Alice swims downstream a distance L and then upstream the same distance. Bob swims so that his motion relative to the Earth is perpendicular to the banks of the stream. He swims the distance L and...
Alice G LOO Bob Let's revisit the simultaneity problem from worksheet 11. To make things concrete, we'll include specific numbers. Bob is standing on the ground watching Alice go by in a high-speed train. As seen in Bob's reference frame, Alice is traveling to the right at speed v = +0.80c. As measured in Bob's frame, Alice's rail car is 12 m long. Alice is sitting in the exact center of the train car. At the instant that the Alice...
n11. A spaceship is moving away from an asteroid with a speed of 0.80c relative to the aster- oid. The spaceship then fires a missile with a speed of 0.50c relative to the spaceship. What is the speed of the missile measured bv astronauts on the asteroid if the missile is fired on e lozt Choose one: a) 0.30c 50c c) 0.93c Cr messle e) 0.65c 2 2 2.0
n11. A spaceship is moving away from an asteroid with a...
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2. Alice and Bob are swimming in a river. They start together at the same point on the bank of a wide strcam that flows with a speed v. Both move at the same speed c (where c > v) relative to the water. Alice swims downstream a distance L and then upstream the same distance. Bob swims so that his motion relative to the Earth is perpendicular to the banks of the stream. He swims the distance L and...
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