1) Two blocks (A and B) are in contact on a horizontal friction-less surface. A 52...
1) Two blocks (A and B) are in contact on a horizontal friction-less surface. A 52 N constant force is applied to A horizontally pointing to the right. Given mA=4.0 kg, and mB = 40kg, what is the magnitude of the force of A and B?
2)The acceleration due to gravity on one of Saturn's moons Titan ( the best moon), the acceleration due to gravity is 1.40 m/s^2, what is the range of a projectile with a mass of 1 kg launched at 3.21 km/s at an angle of 45 degrees (neglect air resistance)?
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1) Two blocks (A and B) are in contact on a horizontal
friction-less surface. A 52...
4. The acceleration due to gravity on one of Saturn's moons Titan (the best moon), is...
4. The acceleration due to gravity on one of Saturn's moons Titan (the best moon), is 1.40 m/s2, what is the range of a projectile with a mass of 0.865 kg launched at 1.65 km/s at an angle of 45° (neglect air resistance)? What fraction of the circumference of Titan is this range?
There is friction between blocks A B 160 F Surface with friction Two blocks labeled A...
There is friction between blocks A B 160 F Surface with friction Two blocks labeled A and B are initially placed in contact as shown in the figure. The masses of the blocks are ma = 15.4 kg and mb = 3.6 kg. There is friction between A and the ground. There is also friction between the two blocks. The coefficient of kinetic friction between A and the ground is jk = 0.33. The coefficient of static friction between the...
3. (III) Three blocks on a frictionless horizontal surface are in contact with each other as...
3. (III) Three blocks on a frictionless horizontal surface are in contact with each other as shown in Fig. 4-54. A force F is applied to block A (mass mA). (a) Draw a free-body dia- gram for each block. Determine (b) the acceleration of the system (in terms of mA, mB, and mc), (c) the net force on each block, and (d) the force of contact that each block exerts on its neighbor. (e) If mA mB mc- F 96.0N,...
6. Two blocks rest in contact with one another on a table. Their masses are mi-2...
6. Two blocks rest in contact with one another on a table. Their masses are mi-2 kg and m2-4 kg. The coefficients of static and kinetic friction are push s-0.40 and k-0.25, respectively. You push horizontally to the right on block 1 as shown in the figure. m2 m1 For parts a and b, you are pushing the blocks at constant velocity a) With what force are you pushing on block 1? b) With what force is block 1 pushing...
1). Near the earth surface, acceleration due to gravity is 9.8 m/s a) True b) False...
1). Near the earth surface, acceleration due to gravity is 9.8 m/s a) True b) False c) Can's say 2). The force exerted normal to the surface is called "normal force" a) False b) True c) Statement is wrong 3). The normal force Fn acting on a horizontally place object of mass 10 kg is (assume at rest) a) 98 N b) 90 N c) 49 N d) 50 N 4). An object of mass 'm' is accelerated vertically upward...
B Two blocks of masses ma 1.8 kg and mp 3.5 kg can slide one relative...
B Two blocks of masses ma 1.8 kg and mp 3.5 kg can slide one relative to one another, depending on the magnitude of the applied force P. The coefficient of friction between blocks A and B as well as between block B and the horizontal surface is 0.3. Case a: assume that the system is just on the verge of motion due to force P and calculate: • The frictional force FAB = N between A and B, •...
You have two balls. The 300 g ball rolls off the counter landing 2 m out...
You have two balls. The 300 g ball rolls off the counter landing 2 m out from the counter. The 150 g ball rolls off the counter with the identical speed as the first ball. What distance does the second ball land out from the counter? A.<1m B. 1 m C. Between 1 m and 2 m D. 2 m E. Between 2 m and 4 m F. 4 m 4(a). A projectile is launched horizontally from a 73-m-high cliff...
A small block of mass m1=4 kg is placed at rest on a larger block of mass m2=6kg. The coefficient of friction between the two block is ų=0.3. And the horizontal surface is smooth. A constant force F is applied on the block. The situation is given in the f
4. A small block of mass $m_{1}=4 k g$ is placed at rest on a larger block of mass $m_{2}=6 \mathrm{kg}$. The coefficient of friction between the two block is $\mu=0.3 .$ And the horizontal surface is smooth. A constant force $\mathrm{F}$ is applied on the block.
The situation is given in the figure below.
a. Find the value of limiting friction between the two blocks.
b. What is the maximum acceleration by which the upper block can move
c....
1. A block with weight W = 30 N is on a flat horizontal surface. You...
1. A block with weight W = 30 N is on a flat horizontal surface. You pull to the right with a force F = 16 N. There is gravity present and the coefficient of friction is static = 0.4 and kinetic - 0.25. You are also pulling straight up with an applied force of 12 N. Now what are: The normal force N-_ the frictional force f- the net force on the block Foot and acceleration a = 2....
1. KINEMATICS: Kickoff During kickoff for the Oakland Raiders, Sebastian Janikowski's powerful left leg launches the...
1. KINEMATICS: Kickoff During kickoff for the Oakland Raiders, Sebastian Janikowski's powerful left leg launches the ball from the 30-yard line with the initial velocity of 30 m/s. a. Assuming no air resistance, can the ball reach the end of the field, i.e. travel at least 80 yards (73 m), resulting in a touch-back? Please explain (a yes or no answer is not sufficient) b. Assuming Mr. Janikowski chose the best possible angle for the kick, how long is the...
4. The acceleration due to gravity on one of Saturn's moons Titan (the best moon), is 1.40 m/s2, what is the range of a projectile with a mass of 0.865 kg launched at 1.65 km/s at an angle of 45° (neglect air resistance)? What fraction of the circumference of Titan is this range?
There is friction between blocks A B 160 F Surface with friction Two blocks labeled A and B are initially placed in contact as shown in the figure. The masses of the blocks are ma = 15.4 kg and mb = 3.6 kg. There is friction between A and the ground. There is also friction between the two blocks. The coefficient of kinetic friction between A and the ground is jk = 0.33. The coefficient of static friction between the...
3. (III) Three blocks on a frictionless horizontal surface are in contact with each other as shown in Fig. 4-54. A force F is applied to block A (mass mA). (a) Draw a free-body dia- gram for each block. Determine (b) the acceleration of the system (in terms of mA, mB, and mc), (c) the net force on each block, and (d) the force of contact that each block exerts on its neighbor. (e) If mA mB mc- F 96.0N,...
6. Two blocks rest in contact with one another on a table. Their masses are mi-2 kg and m2-4 kg. The coefficients of static and kinetic friction are push s-0.40 and k-0.25, respectively. You push horizontally to the right on block 1 as shown in the figure. m2 m1 For parts a and b, you are pushing the blocks at constant velocity a) With what force are you pushing on block 1? b) With what force is block 1 pushing...
1). Near the earth surface, acceleration due to gravity is 9.8 m/s a) True b) False c) Can's say 2). The force exerted normal to the surface is called "normal force" a) False b) True c) Statement is wrong 3). The normal force Fn acting on a horizontally place object of mass 10 kg is (assume at rest) a) 98 N b) 90 N c) 49 N d) 50 N 4). An object of mass 'm' is accelerated vertically upward...
B Two blocks of masses ma 1.8 kg and mp 3.5 kg can slide one relative to one another, depending on the magnitude of the applied force P. The coefficient of friction between blocks A and B as well as between block B and the horizontal surface is 0.3. Case a: assume that the system is just on the verge of motion due to force P and calculate: • The frictional force FAB = N between A and B, •...
You have two balls. The 300 g ball rolls off the counter landing 2 m out from the counter. The 150 g ball rolls off the counter with the identical speed as the first ball. What distance does the second ball land out from the counter? A.<1m B. 1 m C. Between 1 m and 2 m D. 2 m E. Between 2 m and 4 m F. 4 m 4(a). A projectile is launched horizontally from a 73-m-high cliff...
1. A block with weight W = 30 N is on a flat horizontal surface. You pull to the right with a force F = 16 N. There is gravity present and the coefficient of friction is static = 0.4 and kinetic - 0.25. You are also pulling straight up with an applied force of 12 N. Now what are: The normal force N-_ the frictional force f- the net force on the block Foot and acceleration a = 2....
1. KINEMATICS: Kickoff During kickoff for the Oakland Raiders, Sebastian Janikowski's powerful left leg launches the ball from the 30-yard line with the initial velocity of 30 m/s. a. Assuming no air resistance, can the ball reach the end of the field, i.e. travel at least 80 yards (73 m), resulting in a touch-back? Please explain (a yes or no answer is not sufficient) b. Assuming Mr. Janikowski chose the best possible angle for the kick, how long is the...
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