How many grams of matter would have to be totally destroyed to run a 100-W lightbulb for 3.0 y? Express your answer using two significant figures. m = ΜΕ ΑΣΦ ? g bo

1. Find E at (0, 0, 5) m due to Q1 = 0.35 µ C at (0, 4, 0) m and Q2 = -0.55 µ C at (3, 0, 0) m (see the figure). E,E, 7. R, R, of (0, 4, 0) (3,0, 0)

V volts Q1.8 If the slope of the graph for electric field mapping is 0.5 V/cm and the distance between the positive and negative electrodes was 18 cm, then the e.m.f (in V) of the battery used was: X cm 15 13.5 11.5 9. 10

Please help, I don't know where I'm wrong with my work. Final answer must be in μV.

Part C: Sig fig Recognition: Determine the number of sig figs for the measured values listed below. Measurement 8m 1023 kg 0.0023 A 100.0 V 50 s 2.00000 F 101 kV 22.600 x 10-² J Number of Sig Figs 002

d. A satisfactory radiograph is made using 30 mAs at 72 inches SID. How many mAs are needed to produce a similar radiograph at 84 inches SID? e. A satisfactory radiograph is made using 12 mAs at 40 inches SID. How many mAs are needed to produce a similar radiograph at 72 inches SID?

that 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.

A= 7.0i +2.0iB= 3.0i +4.0i-2.0kC=6.0i-8.0j find BX(AXC)

1%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

A particle has a mass of 1.88E-28 kg and it travels at a speed of 0.942c, where c is the speed of light. What is the energy of the particle, expressed in MeV. Keep three significant digits