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A particle has a mass of 1.88E-28 kg and it travels at a speed of 0.942c, where c is the
What is the energy of the particle, expressed in MeV. Keep three significant digits
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- Roughly how many heartbeats are there in a lifetime?A particle has a mass of 1.88E-28 kg and it travels at a speed of 0.971c, where c is the speed of light. What is the energy of the particle, expressed in MeV. Keep three significant digitsthat has 1 eV= Find the speed of an electron a kinetic energy of 2.09 eV. 1.602 x 10-19 J. Answer in units of m/s. Answer in units of m/s.
- What is the total energy, in MeV, ofa. A proton traveling at 99.0% of the speed of light?b. An electron traveling at 99.0% of the speed of light?Nuclear fusion can happen when a carbon nucleus of mass 12u fuses with a hydrogen nucleus of mass 1.00782 u to form a nitrogen nucleus of mass 13.00574 u. Determine how much energy is released by the reaction, expressed in MeV. (Keep five significant digits)A particle has a mass of 1.6E-27kg and a momentum of 2.2E-18 kg.m/s. What is the speed of the particle? Express your answer in units of c, the speed of light. Keep four significant digits.
- If p/m is .9c,what is v in terms of c?at 37. An electron and a proton are each accelerated starting from rest through a potential difference of 10.0 million volts. Find the momentum (in MeV/c) and the kinetic energy (in MeV) of each, and compare with the results of using the classical formulas. t, the 47. Ob a t1%A9 li. t LTET 4G+ Vol) O A X O U 9:-7 Second H.W.pdf 1. Draw and label the vector with these components. Then determine the magnitude and angle of the vector. a- Az = 3 ,A, = -2 b- B, = -2 ,B, = 2 2. What is the speed of horse in meter per second that runs a distance of 1.2 miles in 2.4 minutes? 3. A car moving along X- axis according on the function: X (t) = 2 t2 + 5t +7 on [1,2] Find: a- The average velocity. b- The acceleration at 3s. 4. Julie is walking around a track at a 2m/s for some exercise. She then decides to start jogging so she accelerates at a rate of 0.5m/s? for 3 seconds. How far did Julie travel from the time she started to accelerate to the end of the 3 seconds? 5. Ralph uses a 2000 to do this. force to push his car along a road for 1000 m. It takes him500 s a- Calculate the amount of work that Ralph did on the car. b- Calculate the amount of power that he generated. II
- b): The patcutal 0.21 partile a abag the X-aris is Ulx)=822x" is Where Joules meters.2Iher is Dill be and the at Xelom, in in That acelention,Fr-223 undergoes alpha decay and produced -8.9x100 kJ/mol of energy in the process. Determine the actual mass (in g/mol) of the produced At-219 nucleus. Express your answer in 2 decimal places. Do not write the units. Mass of Fr-223 = 223.020 g/mol; Mass of He-4 = 4.003 g/mol Mass of proton = 1.0078 amu; Mass of neutron = 1.0087 amu Speed of light = 3.00 x 108 m/s 1 amu = 1 g/mol = 1.66 x 10-27 kg 1 MeV = 1.60 x 10 13 JGrowth of yeast cells In a controlled laboratory experiment, yeast cells are grown in an automated cell culture system that counts the number P of cells present at hourly intervals. The num- ber after t hours is shown in the accompanying figure. 250 200 150 100 50 0 1 2 3 4 5 6 7 a. Explain what is meant by the derivative P'(5). What are its units? b. Which is larger, P'(2) or P'(3)? Give a reason for your answer. c. The quadratic curve capturing the trend of the data points (see Section 1.4) is given by P(t) = 6.10r2 – 9.28t + 16.43. Find the instantaneous rate of growth when t = 5 hours.