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- Alpha decay is nuclear decay in which a helium nucleus is emitted. If the helium nucleus has a mass of 6.80×10-27kg and is given 5.00 Me V of kinetic energy, what is its velocity?Momentum and Impulse: 1. p= mü 2. Ï = Fat Energy: 3. ¡=mAv 4. i = Ap 1. W = F.d 2. KE= 3. GPE = mgh P = momentum; Ap=Pj-Po m = mass Δύ= B - Bo V = velocity; 1 = impulse F = force t = time; W = work d At = tr-to d=displacement KE Kinetic Energy GPE Gravitational Potential Energy h = height Gravity g = -9.81 m/s² A rocket is launched from rest at ground level. The air resistance, or drag force, of the rocket is known to be F = -0.75 N. The engine of the rocket has enough fuel to last t = 0.80 s, providing a total impulse of 7₂ = 2.20 N-s, which is called the thrust stage. After the engine runs out of fuel, the rocket coasts to its maximum height before falling back to the ground, which is called the coast stage. Draw force diagrams of the rocket during the two stages of the problem: Thrust Stage Coast Stage2. What is the mass of a girl if she was raised 2.00 m off the ground and has a potential energy of 555 J? pe here to search acer TravelMate B F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 PrtSc NumLk Scr Lk SysRq
- Thor stands on the top of stark tower 425 m adn fights his brother loki using mjolnir his hammer. if his hammer has a mass equal to 300 billion elephants cal it 4.5*10^15 kg what i the gaviation potential energy in J of jjolnir relative to the ground? use scientific notation to enter you answer. B. Loki tricks thor into dropping Mjolnir off stark tower. when the hammer has fallen one third of the way down the tower what is its kinetic energy in J? Hint you could find the speed then calculate the kinetic energy but there's an easier way...Question 10 What is the total energy of the Earth-Sun system? The Earth has a mass of about 6.0 x 1024 kg, and moves at about 30 km/s around the Sun. The Sun has a mass of about 2.0 x 1030 kg, and negligible velocity. The Earth and Sun are about 1.5 x 10¹¹ m apart. Please enter a numerical answer below. Accepted formats are numbers or "e" based scientific notation e.g. 0.23, -2, 1e6, 5. Enter answer here JTow masses are connected by a light string passes over a light frictionless pulley as shown in figure. The 5kg mass is released from rest. Using law of conservation of energy a) Determine the velocity of the 3 kg mass hits ground b) Find the maximum height to which the 3 kg the m2- 50 kç mass will mi- 3.0 kg n40m rise.
- What is the Kinetic Energy of a particle on the Surface of the Sun (5000 deg K)? Moving to another question will save this response. ch4Bprac.pdf Speech Present.pptx pecha kucha pr...pptx tv MacBook Air 吕0, 000 D00 F4 17 F7 F1 F2 F3 F5 F6 &Given below is the table for Potential Energy and Kinetic Energy experiment. Complete the table. Test No Weight (N) H1 (cm) H2 (cm) P.E. (initial) (J) P.E. (final) (J) Loss in P.E. (J) 0.8 50 23.4 2 1.0 50 25.0 3 1.2 50 26.264. A particle of mass 'm' moves under central force field 'F (r)= 7.Iftötal energy of the particle is E, what is speed of the particle when it is at a distance 'a' from the center of force. k (a) ma? 2E 2k 2E k (d) 2ma? 2E (b) V 2ma? (c) ma Solve 65 k 65. In the previous question if the force law were F(F) = -, then speed will be 2E k (a) V ma? 2k (c) k 2E (b) V 2ma? (d) 2ma? та m |E一m
- A 2kg mass is held 4m above the ground.What is the approximate potential energy of the mass with respect to the ground? (use g =10m/s^2) A. 6J B. 8J C. 80J D. 32JCalculate the kinetic energy of a 0.300 kg baseball thrown at a velocity of 44 m/s in joules. However, can you explain the idea of joules to physics?Given below is the table for Potential Energy and Kinetic Energy experiment. Complete the table. Test No Weight (N) H1 (cm) H2 (cm) P.E. (initial) (J) P.E. (final) (J) Loss in P.E. (J) 1 0.8 50 23.4 1.0 50 25.0 3 1.2 50 26.2 ENG DELL
