Solution
Answer is option e.
Not yet answered Question 10 Points out of 100 P Flag Question The position of a...
Question 5 Not yet answered Points out of 6.0 P Flag question An object is initially at rest at the origin at time t=0, when a force in Newtons acts on the object in 1 dimension along the x axis of F(t)=3.0t-1.5t where t is time in seconds. What is the momentum of the object at time t = 2 seconds? Select one: 2.00 kg m/s 6.00 kg m/s 0 kg m/s -2.00 kg m/s -6.00 kg m/s
Question 10 Not yet answered Marked out of 200 a P Flag question A particle starts from rest and travels along straight line with an acceleration a = (30 -0.20) ft/s? where v is in ft/s. Determine the time when the velocity of the particle is v = 30 ft/s. Select one O a 4.44 5 O b. 1.12 s O c None O d. 30 S e 332 s O 1936 s Og 777
Not yet answered Points out of 10.00 P Flag question A particle with mass 2.0 kg is initially at rest at the origin (x=0). It then moves along the x-ax acted on by a force F(x)=9.0-3.0x, where F is in Newtons if x is expressed in meters. Find the kinetic energy of the particle when it reaches x=3m. Select one 6.8 J 13,5 J OOJ 9.03 54.0 F2 ] H
Question 2 Not yet answered Points out of 100 P Flag question What concentration of Calcium ion will be present at equilibrium in a solution that is saturated with CaF, and contains 0.01 M NaF? Ks for CaF;= 5.3 x 10-9 Select one O A. None of these O B.5.3 x 10-5M O C. 1.74 x 10- OD. 8.1 10 M O E. 1.74 x 10-M
Question 5 Not yet answered Marked out of 6.00 p Flag question If a and b are constants, the solution of (ayže xy +b)dx + 2ye xy + axy e x – 1 )dy=0 is Select one: O a.yle + bx-y=C O b. ye wy+x-y=C O ce@xy + bx=0 O d. ye xy + bx-y=C O e.y? (exy – 1)=C of.ye «xy +bx+y=C og-yle wy+bx-y=C oh.yle xy + bx=y
Question 8 Not yet answered Points out of 5.00 P Flag question A charge q = -3 nC is placed at x = 2.5 m, where the electric potential is given by V = -2.4x2 + 5.6x, where V is in volts and x is in meters. What is the electric potential energy of the system? Select one: a. -30.40 E-9 J b.-23.00 E-9 J c. -15.00 E-9 J d. 0.00 J e. 30.40 E-9 J
Question 8 Not yet answered Points out of 5.00 P Flag question A charge q = -3 nC is placed at x = 2.5 m, where the electric potential is given by V = -2.4x2 + 5.6x, where V is in volts and x is in meters. What is the electric potential energy of the system? Select one: a. -30.40 E-9 J b.-23.00 E-9 J c. -15.00 E-9 J d. 0.00 J e. 30.40 E-9 J
Not yet answered ad out of 3.00 4 5 6 Flag question The motion of a particle is defined by the equations x = (2x + 1)m and y = (t?) m, where t is in seconds. Determine the normal and tangential components of the particle's velocity and acceleration when t = 2s. 10 Select one O a 1721 vs. Vnomis, at 277 m2, an 0.55 m2 Ob V 279 ms, Vn 46 s. at 733 m2, an 0.44 m2...
Question 9 Not yet answered Marked out of 2.00 P Flag question A particle starts from rest and travels along a straight line with an acceleration a = (30 – 0.2v) ft/s?, where v is in ft/s. Determine the time when the velocity of the particle is v = 30 ft/s. Select one a 3.32 s b. 305 None d. 1.125 9.36 17.77
Question 5 Not yet answered Marked out of 3 P Flag question For 3 points, identify the reactant(s) which is oxidized. 2Sc(s) + 3F2 à ScF3 Select one: O a. Sc ob. F2 O c. ScF3 O d. 12 O e. None of the above O f. All of the above Not yet answered Marked out of 3 P Flag question For 3 points, identify the reactant(s) which is reduced. Ba(s) + MgSO4(aq) à Mg(s) + BaSO4(s) Select one: O...