Calculate the total of the volt (vt) le S0V 40V 80V I=2 Amper 15V 87V 50.9V 50V
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- A car parked at the top of a 14º slope loses its braking system and starts rolling down the slope traveling 50 m before running into a bush Part A What is the acceleration of the car? (Assume there is no friction or air resistance). Part B What is its speed just before it hits the bush?Q56. A box falls off the tailgate of a truck and slides a distance of 62.5 m before coming to a halt. If friction slows the box at the rate of 5 m/s2: a) What was the speed of the truck when the box fell? Sm/s b) How long does it take the box to stop?
- A physics student with mass 51kg slides in the snow (see figure). Find the velocity for each points @ A, B, C, D and E. D 100 m 60 m 30 m B.Match the variable with its description - v HK A. The measure of force that opposes motion between two objects in contact B. The measure of force supporting an object on a surface. Usually seen in opposition to gravity. - v Hs C.A factor of the inherent amount of resistance to motion between any two materials in contact. Used when objects are in contact AND sliding against one another. - v FNormal - v Fricion D.A factor of the inherent amount of resistance to motion between any two materials in contact. Used when objects are in contact but not sliding against one another. Question t of 6 Moving to the next question prevents changes to this answer. 80 DII F10 F11 F7 FB esc F2 23 & 3 4 6 8 Q W E R Y ab A H J K ock C V M command option trol option commandParts f,g,h,i & j
- DIRECTIONS: Read the questions carefully. Choose the letter of the correct answer for each item. 1.Two objects of the same size but unequal in weight are dropped from the top of a building. Neglecting air resistance, which will hit the ground first? A. Lighter object B. Heavier object C. Both will hit the ground at the same time D. The lighter object will hit the ground twice faster than the other 2. As the ball travels upwards, at which point will it experience the least velocity? C. As it reached its highest point D. As it travels downward A. As it leaves the hand of the referee B. As it travels halfway 3. Which of the following statements is NOT TRUE about Projectile Motion? A. Horizontal velocity of projectiles is constant B. It is a combination of two independent motions - vertical and horizontal C. The motion of the projectile released vertically downward is accelerated D. Both horizontal and vertical velocities are constantB C. h A I D What is the direction of the Force on side A? Oup O down O left Oright O in out none Submit Answer Tries 0/2 What is the direction of the Force on side C? up down left Oright Din out none Submit Answer Tries 0/2 What is the direction of the Force on side D? Oup down Oleft right in CoutUser When a bus suddenly stops, the bags on the floor moves forward. Which of the following statements is correct? .a the bus pushes the bags forward .b the floor pushes the bags forward .c the bags move because of the action reaction forces d . the bags move forward because they were originally moving
- The sled dog in figure drags sleds A and B across the snow. The coefficient of friction between the sleds and the snow is 0.08. If the tension in rope 1 is 130 N , what is the tension in rope 2?A sled is given a shove up a frictionless 60° incline. It reaches a new plateau 10m higher than it was at before and is moving at half the speed it originally was after the push. What was its original velocity due to the push? Group of answer choicesA box is being pulled to the right over a rough surface. T> fk, so the box is speeding up. Suddenly the rope breaks. What happens? The box Select one: a. Slows steadily until it stops b. Continues with the speed it had when the rope broke С. Continues speeding up for a short while, then slows and stops. O d. Keeps its speed for a short while, then slows and stops. e. Stops immediately