QUESTION 3 A small block of mass 3kg is sent from point A with a speed of 5m/s. Its path is without friction until it reaches the horizontal section, where the coefficient of friction is 0.3. The heigts are h1= 6m and h232m. Calculate: a) The speed of the block at point B b) The speed of he block at points C c) How far through the horizontal section of friction does it travel? Assume at point D the object is at rest.
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- T3.27 Please help me answer this physics question.Caroline (45 kg) is riding looping roller coaster (radius = 15 meters) at Cedar Point, At the top of the loop she experiences an acceleration of 13.75 m/s/s. Use g310N/kg for the gravitational constant. Draw a force diagram of the forces acting on Caroline. Determine which force is larger-normal force of gravirational force? Why? What is the normal force of the seat on Caroline? work and include units to receAt the surface of a certain planet, the gravitational acceleration g has a magnitude of 15.0 m/s^2. A 23.0-kg brass ball is transported to this planet. a.)What is the mass of the brass ball on the Earth and on the planet? Express your answers using three significant figures separated by a comma. ______ kg b.)What is the weight of the brass ball on the Earth and on the planet?Express your answers using three significant figures separated by a comma. _______ N
- You 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?Needs Complete typed solution with 100 % accuracy.4.23 Please help me answer this Physics question.
- T3.12 Please help me answer this physics question.Thanks!!You are given two point-like objects, known as M1 & M2. M1 has four times the mass of M2 and they are placed at a distance of d apart from each other. A. Can you sketch (in 2-dimensions) the gravitational field lines that are present in the region of space around the two masses. Show the direction of the field on the field lines. B. Explain quantitatively where you should place a test particle such that it experiences a net gravitational force of zero from the two point-like objects. Indicated this position on your diagram.
- T3.23 Please help me answer this physics question.H.W: In the Boher model of the hydrogen atom an electron moves at 2.19*10m/s in an orbit of radius 5.29*10" centered on a proton. (a)what is the centripetal force on the electron? (b)what is the number of revolutions made each second? Ans. (a)9.06*10"m/s (b = 6. 58 + 1015 1/s H.W: A ball is thrown with an initial speed voat an angle 0 below the horizontal from rooftop 44m above the ground. It lands 2sec later at a point 32m from the Vor base of the building. Find vo and 0 Ans. 0 = -37.32vo = 20. 1m/s H.W: A ball thrown up from a rooftop of height 40m lands on ground in 4s. (a)what is its maximum height above the ground? (b)what is its velocity 15m below the rooftop? Ans. (a)44.7m (b) v = -19.65 4 H.W: An object is thrown horizontally at 20m/s from a cliff top 45m above sea level. Find (a)the time to land; (b)the angle at which it hits the water; (c)the speed at which it hits the water. Ans. (a)3.03s (b)Ø = -54.73 (c)35.79m/sAn astronaut, whose mission is to go where no one has gone before, lands on a spherical planet in a distant galaxy. As she stands on the surface of the planet, she releases a small rock from rest and finds that it takes the rock 0.500 s to fall 1.90 m. Part A If the radius of the planet is 9.50 x 107 m, what is the mass of the planet? Express your answer with the appropriate units. mp = Submit ol Provide Fee μα Value kg Previous Answers Request Answer ? X Incorrect; Try Again; 7 attempts remaining