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• #### 12. Use curved arrows to show the movement of electron pairs as the reactions proceed from...

12. Use curved arrows to show the movement of electron pairs as the reactions proceed from left to right. (15 pts). a. H.C-S-CH, + BF, = S (H,C),S+-BF, b. CH,0 + CH,SH - CH,OH + CH,S. "Hc L CH + Hot - Hot i & Chcąc + H = CHCECCHO- H.Cach, + HCI = H,C-CH+ + Ci

• #### An object of mass 10m, traveling in the x-direction at 5 m/s, explodes into 3 parts....

An object of mass 10m, traveling in the x-direction at 5 m/s, explodes into 3 parts. a. If the part with mass 2m has a speed of 5 m/s in the x-direction, what are the velocities (vi and v) of the other two masses? b. What is the velocity of the center of mass after the explosion? 50 4m 10m...

• #### 11. A DC-8 airplane reaches its takeoff speed of 78 s in a time of 35...

11. A DC-8 airplane reaches its takeoff speed of 78 s in a time of 35 s after starting from rest. What is its average acceleration? 14. The tires of a car begin to lose their grip on the ad at an acceleration of 5 m/s2. At this acceler- ation, how long does the car need to reach a speed...

• #### Consider the collision of two identical hockey pucks on a smooth ice rink. Assume that byanalyzing...

Consider the collision of two identical hockey pucks on a smooth ice rink. Assume that byanalyzing the videotape of the collision, various but not all components of the velocities of the two pucks before and after the collision have been determined and are recorded in the table below. . BEFORE vx(cm/s) BEFORE vy(cm/s) AFTER vx(cm/s) AFTER vy(cm/s) Puck 1 21...

• #### I need circuit not code. Thank you Use of JK-MS-FFs and logic gates to design of...

I need circuit not code. Thank you Use of JK-MS-FFs and logic gates to design of a 4-bit Sequential Circuit for add by seven ( S+7 S) operation with only one CLK Pulse Use of JK-MS-FFs and logic gates to design of a 4-bit Sequential Circuit for add by seven ( S+7 S) operation with only one CLK Pulse

• #### Use the following data to calculate the standard enthalpy of formation of solid strontium carbonate SrCO3...

Use the following data to calculate the standard enthalpy of formation of solid strontium carbonate SrCO3 (s) → SrO (s) + CO2(s)     ΔH° = 234 kJ/mol ΔHf° of CO2 (g) = -394 kJ/mol       ΔHf° of SrO(s) = -592 kJ/mol A) -752 kJ B) 752 kJ C) -1220 kJ D) -1812 kJ E) 1812 kJ f) 1220

• #### EXERCISE HINTS: GETTING STARTED I'M STUCK! If the object-spring system is described by x = (0.315...

EXERCISE HINTS: GETTING STARTED I'M STUCK! If the object-spring system is described by x = (0.315 m) cos (1.00t), find the following. (a) the amplitude, the angular frequency, the frequency, and the period rad/s Hz (b) the maximum magnitudes of the velocity and the acceleration max = m/s m/s2 a max = (c) the position, velocity, and acceleration when :...

• #### Question3 A parallel plate capacitor is formed from two circular plates, each of radius 4.60 cm,...

Question3 A parallel plate capacitor is formed from two circular plates, each of radius 4.60 cm, separated by 2.30 mm. The plates are charged to 11.6 nC. A proton is shot from the negative plate to the positive. What launch speed must the proton have to just barely reach the positive plate? 2.08x105 m/s 4.34x106 m/s 8.69x106 m/s 2.95x105 m/s

• #### The velocity-versus-time graph is shown for a particle moving along the x-axis. Its initial position is x0 = 1.0 m at t0 =0s

The velocity-versus-time graph is shown for a particle moving along the x-axis. Its initial position is x0 = 1.0 m at t0 =0s Part A What is the particle's position at t = 1.0 s? Part B What is the particle's velocity at t = 1.0 s? Part C What is the particle's acceleration at t = 1.0 s? Part D What is the particle's position at t...

• #### 2 A 50-kg person was moving on a 20-kg movable platform on top of a smooth...

2 A 50-kg person was moving on a 20-kg movable platform on top of a smooth surface such as ice. A force of 70-N was applied to the platform and the platform responded instantly at 4 m/s/s. 2a Find the minimum force (magnitude and direction) that the person exerted on the platform. 2b Determine the dancer moving direction, right or...