Part A Select the equation that shows that when a 3.0-kg book is lifted 1.0 m,...
Part A Select the equation that shows that the gravitational potential energy of a 1300-kg boulder raised 4 m above ground level is 52000 J. (You can express g in units of N/kg, because m/s? is equivalent to N/kg) mgh = (1300 kg)(10N/kg) (4 m)-52000 J 2 2 421) N2000J 0 PE-yMgh-V(1300kg)(10N/kg)(4m) o PE-mg-(1300 kg)(10 N/kg) (4 m) 52000 J PE = mgh = (1300 kg)(10 N/kg)(4 m) = 52000 J Submit Provide Feedback Next >
is Select the equation that shows that the kinetic energy of a 3.0-kg book tossed across the room at a speed of 2.0 m/s 6.0 J. (1 J is equivalent to 1 kg(m/s)) KE=측mu-름(3.0 kg)(2.0 m/s)2=6.0J o KE-mu? (3.0 kg)(2.0 m/s) -6.0J KE-3mt, = (3.0 kg)(2.0 m/s) = 6.0 J O KE-|mu-4 (3.0 kg)(2.0 m/s)2=6.0J
Part A Select the equation that shows that a 1500000-J change in kinetic energy occurs for an airplane that is moved 300 m in takeoff by a sustained force of 5000 N. o W AKE F/d (5000 N)/(300 m) 1500000 J O w- AKE Fd2 (5000 N) (300 m)2 1500000 J o W AKE- Fd (5000 N) (300 m) 1500000J O W AKE 2Fd 2(5000 N)(300 m) 1500000 J Submit Provide Feedback Next >
Part A Select the equation that shows that 4 (1N·m=1J) J of work is done when a force of 3.0 N moves a book 1.6m Submit Request Answer
Item 4 4 of 11 > Constants Part A An object with charge q,-+3.0 × 10 5 C is moved to position C from infinity as +10.0 × 10 4 C. Determine the electrical shown in the figure (Figure 1). g Φ = g potential energy required to do this task. Submit Request Answer Figure 1 of 1 Provide Feedback Next > 2.0 m 2.0 m 2.0 m 93
Constants The graph in (Figure 1) shows the current through a 3.0 12 resistor as a function of time. Part B What was the total energy dissipated by the resistor during this time? Express your answer in joules to two significant figures. Figure 1 of 1 ΟΙ ΑΣΦ ...] ? E = 26.56 J Submit I(A) 2.5 2.0 1.5 1.0 0.5 0 0 Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining t(s) 2 4 6 8 10...
Review Part A (Figure 1) shows a standing wave on a 1.8 m -long string that has been fixed at both ends and tightened until the wave speed is 30 m/s What is the frequency? Express your answer with the appropriate units. You may want to review (Pages 460 463) Figure 1 of 1> Value Units Submit Previous Answers Request Answer XIncorrect; Try Again; 15 attempts remaining Provide Feedback Next >
I Review I Constants Periodic Table Part A What is the electric potential at the point indicated with the dot in the figure? (Figure 1) Express your answer in volts. Figure 1 2.0 nC Submit Previous Answers Request Answer 3.0 cm 3.0 cm X Incorrect; Try Again; 4 attempts remaining Provide Feedback Next> 3.0 cm1.0 nC
Problem 13.7 Review Part A A 17.0 kg sphere is at the origin and a 5.00 kg sphere is at z 20 cm n the r-axis could you place a small mass such that the net gravitational force on it due to the spheres is zero? At what posiftion Express your answer with the appropriate units -12.6 cm Submit Previous Answers Request Answer Incorrect. Try Again; 2 attempts remaining Review your calculations: you may have made a rounding error or...
Problem 21.65 A +3.0 nC charge is at z = 0 cm and a -1.0 nC charge is at I= 4 cm Part A At what point or points on the x-axis is the electric potential zero? Express your answers in centimeters separated by commas. | ΑΣφ o ? 6 cm Your submission doesn't have the correct number of answers. Answers No credit lost. Try again. Submit Previous Answers Request Answer Provide Feedback