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can you explain step by step how did they get P=0.0067 Pa.
please i need it asap. thank you
Step by step
Solved in 2 steps with 1 images
- 1. Suppose the position vector for a particle is given as a func- tion of time by 7(1) = x(t)i + y(t) j, with x(t) y(t) = ct² + d, where a = = at + b and = 0.125 m/s², 1.00 m/s, b = 1.00 m, c= 1.00 m. (a) Calculate the average velocity during and d the time interval from t = 2.00 s to t = 4.00 s. (b) Determine the velocity and the speed at t = 2.00 s.Find d in the equation d=✔️6.1x10^30 w /4.9 x 10^ -10 w m^-2 in scientific notation to appropriate number of significant figures and with the appropriate unitsConvert 1.57 × 10−2 g/(cm)(s) to lbm/(ft)(s) A. 1.06 * 10-3 lbm/(ft)(s) B. 2.5 *10-3 lbm/(ft)(s) C. 5 *10-3 lbm/(ft)(s) D. 8.5 *10-3 lbm/(ft)(s)
- The density of bubble gum is about 1g/cm3. You blow an 8g wad of gum into a bubble 9cm in diameter. What is the thickness of the bubble? Use the equation: 4πr2 to help solve the problem.810. A tank has pure water flowing into it at 10 1/min. The contents of the tank are kept thoroughly mixed, and the contents flow out at 10 1/min. Salt is added to the tank at the rate of 0.1 kg/min. Initially, the tank contains 10 kg of salt in 100 1 of water. How much salt is in the tank after 30 minutes?2) Find the missing values: (a) 3.0 N1.0 kg 5.0N (b) 2.0N- 120 kg 3.0 N 5.0N -5.0 N -2.0N i- 2.0 m/s? Fret =? a = 0 Ft-? 10 N -5N (d) 30 N- (e) 4000g (f) 5.0 kg 1.0N 2.0N 3.0N constant Fnet ? a-1.5 m/s? - 0.5 m/s? 7, = ? Fret = ? F, = ? -SN 20 N- (h) (i) Fz 30 18 N a = 5 m/s? Fnut = ? a = + 0.6 m/s? Frst = 1.8 × 10-2 N 10 N - constant (down] m-? m= ? Fz = ? net
- CASE STUDY On planet Betatron, mass is measured in bloobits and length in bots. You are the Earth representative on the interplanetary commission for unit conversions and find that 1 kg = 0.23 bloobits and 1 m = 1.41 bots. Express the density of a raisin (2 103 kg/m3) in Betatron units.M = 1776 g V = 22 mL D = ? 10 1.2 x 102 g/mL O73.8 g/mL 3.9 x 10 g/mL 80.7 g/mL1%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
- Useful constants: k=9.00×109 N.m2/C2 ε0= 8.85×10-12 C2/N.m2 µ0=4π×10-7 T.m/A mp=1.67×10-27 kg me=9.11×10-31 kg e=1.6×10-19 C g=10.0 m/s2The density of platinum is 21.45 x 103 kg/m3. a. Calculate the volume (in m3/atom) occupied per platinum atom b. Estimate the atomic diameter (in m);(The estimate uses the approximation that it is a cubic volume) c. Using this estimation, calculate the thickness of a metal foil (in m) containing 2.0 x 101 atomic layers of platinum.The density of gold is 19.3 g>cm3. What is this value in kilograms per cubic meter?