Kieran measures the magnetic field of an electron beam. The beam strength is such that 2.50 × 10¹1 electrons pass a point every 1.30 μs. What magnetic field does Kieran measure at a distance of 2.20 cm from the beam center? T
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Module 4 Question 12:
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- A car of mass 1800 kilograms passes over a hill that has an arc with a radius of 42 meters. If the car is moving with a speed of 16 meters / second at the top of the hill, what g-force does the car experience?Planet X is a sphere where a 0.5 kg block weighs 36 N when sitting on the surface. If an object is dropped from rest at a distance 9R from X's center it is observed to impact the surface at a speed of 16,000 m/s. Find a value for the radius of planet X.Consider two iron spheres, each of diameter 145 mm, which are just touching. At what distance r from the center of the earth will the force of mutual attraction between the contacting spheres be equal to the force exerted by the earth on one of the spheres? Answer: r- i (107) km
- Two objects are shown with masses and velocities. The objects collide. 14 Kg 2 m/s 8 m/s 6 KgAn astronaut is a short distance from her space station without a tether rope or jet pack. She does have a large wrench. To move herself toward the space station she could, a) throw the wrench directly toward the station, b) throw the wrench parallel to the orbit of the station, c) throw the wrench away from the station or d) throw the wrench toward the space station without letting go of it.The planet Mars has a satellite, Phobos, which travels in an orbit of radius 9.4 xm with a period of 7 hr 39 min. Calculate the mass of Mars from this information.
- 5) Two neutron stars are separated by a distance of 2.98x10^(10)m. Both have a mass of 3.17x10^(30)kg and a radius of 253000m. They are initially at relative rest. a) What is the speed of both when the distance between them is half the initial value? in m/s b) What is the speed of both when they are about to collide? in m/sKepler-10c is another exoplanet orbiting another star. It has a mass that is approximately 17.0 times the mass of the Earth. It has a radius that is approximately 2.4 times the that of the Earth. Stats for the Earth (Given): MEarth = 6×1024[kg]. REarth = 6.4×106[m]. Question: What is the escape velocity of an object sitting on the surface of Kepler-10c ? Round to the nearest [km/s] 30 [km/s] 24 [km/s] 20 [km/s] 18 [km/s] 16 [km/s] 14 [km/s] 11 [km/s] None of the answers is even close to correctIf a Saturn V rocket with an Apollo spacecraft attached had a combined mass of 2.6 × 105 kg and reached a speed of 12 km/s, how much kinetic energy would it then have?