m = A little particle ball has a mass 200g. It is placed at a point along the axis of a hoop at a distance of d=1.2 m from its center. The hoop has a mass of M=2.0 kilograms. The radius of the hoop is R=50cm. Figure out the following and explain your thought processes for each one: a. The magnitude and direction of the force of gravity on the particle ball due to the hoop b. What the gravitational potential energy is of the system. mo R M
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- What is the mass (in kg) of the Z0 ? What is the ratio of the mass of the Z0 to the mass of the proton?Qno7 solve asap. Physics expert plz suggestYou are the pilot of a spacecraft intended for travel at very high speeds. Before leaving you measure the spacecraft to be 31.4 m long and have a mass of 5.28 x 104 kg. During your travel, you pass a planet and exchange information with an observer on the planet. You are told that your spacecraft has been measured to be 28.6 m long. a. How fast is your spacecraft travelling with respect to the planet? b. You are told there is a nearby planet that is stationary with respect to the first planet. The observer on the first planet says it will take you 25 s to reach the nearby planet. How far away does your co-pilot on the spacecraft say the nearby planet is? c. How much energy was required to accelerate your spacecraft to this speed?
- Two asteroids head straight for Earth from the same direction. Their speeds relative to Earth are 0.82c for asteroid 1 and 0.60c for asteroid 2. Part A Find the speed of asteroid 1 relative to asteroid 2. Express your answer using two significant figures. VE ΑΣΦ + V= .22 Submit Previous Answers Request Answer ? * Incorrect; Try Again; 4 attempts remaining C3) The new Earth-Pluto SuperShuttle boasts that it can take you between the two planets, which are 5.0 hours apart in 2.5 hours (according to your watch). What time interval is measured by people in the Earth-Pluto frame? What is the shuttle's speed?q3
- 5The nearest star to Earth is Proxima Centauri, 4.2 light-years away. Part A At what constant velocity must a spacecraft travel from Earth if it is to reach the star in 3.6 years, as measured by travelers on the spacecraft? Express your answer using two significant figures. IVE ΑΣΦ v= 0.805 Submit Part B X Incorrect; Try Again; 2 attempts remaining Previous Answers Request Answer How long does the trip take according to Earth observers? Express your answer using two significant figures. D ΠΫΠΙ ΑΣΦ t = 5.2 Submit ? Previous Answers Request Answer ? X Incorrect; Try Again; 4 attempts remaining C yearsBased on the animation, Choose q1 = 2 µC; and q2 = 4 µC; using this q1q2 = 8 µC; use the simulation to find the force for the following distances and match the forces first 1. 10 cm = 0.1 m 2.9 cm = 0.09 m 3.8 cm = 0.08 m 4.7 cm = 0.07 m 5.6 cm = 0.06 m a. F12-F21 =7.190 N b. F12 F21 = 11.234 N c. F12 F21 = 14.674 N d. F12 F21 = 19.972 N e. F12 F21 =8.877 N 1. when q1 = 2 μC; and q2 = 4 μC and r=0.1 m 2. when q1 = 2 μC; and q2 = 4 µC and r =0.09 m 3. when q1 = 2 μC; and q2 = 4 µC and r =0.08 m 4. when q1 = 2 μC; and q2 = 4 μC and r = 0.07 m 5. when q1 = 2 μC; and q2 = 4 µC and r=0.07 m a a a 44 46 → →
- Bonus Problem 2- We have measured the radius of Earth R= 6400 km. A cosmic particle which is moving with v = 0.95 c (where c is the speed of light) toward the center of Earth. a) What is the diameter of Earth from point of view of the particle! b) How long will it take for the particle to pass through the Earth?3 Recently, astronomers have observed stars and other objects that orbit the center of the Milky Way Galaxy farther out than our Sun, but move around faster than we do. How do astronomers think such an observation can be explained? J C all these faster-moving objects must be escaping from the gravity of the Milky Way and will soon be lost to our Galaxy it is the Sun that is moving too slowly because of a collision billions of years ago; the outer objects are really moving at the appropriate speed for their distance from the center Othere must be a great deal of invisible dark matter outside the orbit of the Sun whose gravitational pull explains the faster motions we see out there each of the faster-moving outer objects must be the result of a supernova explosion (giving them extra speed) O no one can come up with any explanation for this puzzling observation F3 $ 4 R F 1 H F4 V Search DII % 5 T F5 G -0- ^ 6 B F6 Y H -- F7 & 7 U N PrtScn F8 J * 8 Home | F9 M ( 9 K End F10 O PgUp LYou are in a spaceship with no windows, radios, or other means to check outside. How would you determine if the spaceship is at rest or moving at constant velocity? a) By determining the apparent velocity of light in the spaceship b) By checking your precision watch. If it's running slow, then the ship is moving. c) By measuring the lengths of objects. in the spaceship. If they are shorter, then the ship is moving. d) By measuring your weight on a scale located in the spaceship. If you have gained mass, then the ship is moving. e) You should give up because you've taken on a impossible task.