i need help with all 4 questions Express your answer to three significant figures and include...
Express your answer to three significant figures and include the appropriate units. Using table below, calculate the heat change needed for each of the following at the melting/Freezing point Table Heals of Fusion for Selected Substances Substance Heat of fusion (J/) Propane САН. 3157 cal Benzene CH Submit Previous Answers Request Answer Acetic acid CHO, 192 Ethanol CHO 100 X Incorrect; Try Again; 5 attempts remaining Ammonia NH 351 Part 8 Water HO 334 joules to freeze 263 g of...
Specify the numerical value of I, Express your answer to three significant figures and include the appropriate units. ReviewI Constants The current and voltage at the terminals of the capacitor in the circuit in (Figure 1) are i(t) 2.5e2500f mA, vt)- (40 22e 25t) V, t20 I6.36 mA where t is in seconds. SubmitP XIncorrect; Try Again Part B Specify the numerical value of Vo Express your answer to three significant figures and include the appropriate units. 18.0 V Figure...
What is the charge Q1? Express your answer to three significant figures and include the appropriate units. Constants Two small nonconducting spheres have a total charge of Q- 1Q 95.0 C, Q1Q2. When placed 22.0 cm apart, the force each exerts on the other is 13.0 N and is repulsive. -Value Units Submit X Incorrect; Try Again; 2 attempts remaining Part B What is the charge Q2? Express your answer to three significant figures and include the appropriate units. 2Value...
15 in Express your answer to two significant figures and include the appropriate units Value Units Submit Request Answer Part B 70 ft/s Express your answer to two significant figures and include the appropriate units. alue Units Submit An Part 50 mph Express your answer to two significant figures and include the appropriate units. Value Units Submit Part D 21 in Express your answer to two significant figures and Include the appropriate units. Value Units
PLEASE SHOW ALL STEPS!!
Determine the magnitude of F1 Express your answer to three significant figures and include the appropriate units. Suppose that 1.5 mand F2 = 1000 N. (Figure 1) _q HA Value Units Fi= Figure 1 of 1 Request Answer Submit F Part B Determine the distance y Express your answer to three significant figures and include the appropriate units F- F HA ? 2 m Value Units y = Request Answer Submit
Determine the tension in the cable. Express your answer to three significant figures and include the appropriate units. The smooth uniform rod AB is supported by a ball-and-socket joint at A, the wall at B, and cable BC. The rod has a mass of 18 kg (Figure 1) | The | Value | Units Submit P X Incorrect; Try Again; 5 attempts remaining Part B Determine the normal reaction at B Express your answer to three significant figures and include...
Find the value of Vi Express your answer to two significant figures and include the appropriate units Review 5.2 g of helium gas follows the process 1→2→3 shown in the figure (Figure 1). You may want to review (Page 490) Units Figure 1 of 1> Submit Request Answen 2 P2657°O Isothermal Part B Find the value of Va 2 atm 37°C Express your answer to two significant figures and include the appropriate units Find the value of p2 Express your...
Express your answer to three significant figures and include the appropriate units HAO? FR. 4.36.102 N Submit Previous Answers Request Answer X Incorrect: Try Again; 5 attempts remaining Part B Determine the coordinate direction angle of the resultant force Express your answer using three significant figures. O AED vec O o Figure 1 of 1 > Submit Part C Determine the coordinate direction angle of the resultant force Express your answer using three significant figures A vecO ? Submit Request...
Part A 162g of a 31.0% (m/m)LiBr solution Express your answer to three significant figures and include the appropriate units. ? HA 49.0 g Request Answer Previous Answers Submit iIncorrect; Try Again; 4 attempts remaining Review your calculations, you may have made a rounding error or used the wrong number of significant figures Part B 492 g of a 8 5% (m/m)KCI solution Express your answer to two significant figures and include the appropriate units. Part C 286 mL of...
Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. Consider the truss shown in (Figure 1) Suppose Uhal. F- 12 N For,- Value Units Submt Part B Determine the force in member CJ and state if this member is in tension or compression Express your answer to three significant figures and include the appropriate units. Enter negative valuc in the case...