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012 (part 1 of 2) 10.0 points A projectile is fired straight upward at How fast...
1. A projectile is fired straight upward at 170 m/s near the surface of Planet X,...
1. A projectile is fired straight upward at 170 m/s near the surface of Planet X, which has no atmosphere and where the acceleration due to gravity is g = 5 m/s2. (a) What is the acceleration of the projectile halfway to the top of its trajectory? [1] (b) Is the projectile in equilibrium at the top of its trajectory? Explain. [1.5] (c) How fast is it moving at the instant it reaches the top of its trajectory? (0.5] (d)...
Answer in units of m/s. Fo tic av 012 10.0 points An object is thrown vertically...
Answer in units of m/s. Fo tic av 012 10.0 points An object is thrown vertically up and attains an upward velocity of 50 m/s when it reaches one fourth of its maximum height above its launch point. What was the initial speed of the object? The acceleration of gravity is 9.8 m/s. Answer in units of m/s 013 10.0 points A rock is thrown downward from an unknown height above the ground with an initial speed of 13 m/s....
013 (part 1 of 4) 10.0 points You throw a softball (of mass 200 g) straight...
013 (part 1 of 4) 10.0 points You throw a softball (of mass 200 g) straight up into the air. It reaches a maximum altitude of 13.9 m and then returns to you What is the gravitational potential energy of the soft ball at its highest position? Assume the ball departed from and returned to ground level. Answer in units of J. 014 (part 2 of 4) 10.0 points Assume no energy is lost by the softball while it is...
ent 38228286 a e WITHDRAWN 027 (part 1 of 2) 10.0 points A ball thrown vertically...
ent 38228286 a e WITHDRAWN 027 (part 1 of 2) 10.0 points A ball thrown vertically upward is caught by the thrower after 1.93 s. Find the initial velocity of the ball. The acceleration of gravity is 9.8 m/s2 Answer in units of m/s. 028 (part 2 of 2) 10.0 points Find the maximum height it reaches. Answer in units of m. 029 10.0 points A car enters the freeway with a speed of 6.9 m/s and accelerates uniformly for...
mp/1198965-154704032318 015 (part 1 of 2) 10.0 points The speed of an arrow fired from a...
mp/1198965-154704032318 015 (part 1 of 2) 10.0 points The speed of an arrow fired from a compound bow is about 23 m/s. An archer sits astride his horse and launches an arrow into the air elevating the bow at an angle of 49° above the horizontal and 1.7 m above the ground. 1.7 m range What is the arrow's range? The acceler- ation of gravity is 9.81 m/s. Assume the ground is leveland ignore air resistance. Answer in units of...
012 (part 1 of 4) 10.0 points A massless spring with force constant 277 N/m is...
012 (part 1 of 4) 10.0 points A massless spring with force
constant 277 N/m is fastened at its left end to a vertical wall, as
shown below. The acceleration of gravity is 9.8 m/s 2 . Initially,
the 8 kg block and 3 kg block rest on a horizontal surface with the
8 kg block in contact with the spring (but not compressing it) and
with the 3 kg block in contact with the 8 kg block. The 8...
012 (part 1 of 2) 10.0 points A cylinder with a(n) 1.9 cm radius and a length of 6.1 m is tightly wrapped with 2900 turns of wire. The current in the wire is decaying according tol-loe-at, with lo =...
012 (part 1 of 2) 10.0 points A cylinder with a(n) 1.9 cm radius and a length of 6.1 m is tightly wrapped with 2900 turns of wire. The current in the wire is decaying according tol-loe-at, with lo = 0.59 A and a-1.9 s-1 What is the electric field at a point 8.6 cm radially from the axis of the cylinder at t- 1.05263 s? Answer in units of V/m. 013 (part 2 of 2) 10.0 points A coil...
8. A projectile is fired from the origin in a straight line towards a rectangular target...
8. A projectile is fired from the origin in a straight line towards a rectangular target and hits it perpendicularly 2 seconds later. The vertices of the rectangle are (50,100,275), (100, 0, 275), (200,50, 150), and (150, 150, 150), where units are in meters. (a) At what point did the projectile hit the rectangle? (b) The projectile was trying to hit the center of the target. How accurate was it? (c) Assuming the projectile was moving at a constant speed,...
011 (part 1 of 2) 10.0 points Tom the cat is chasing Jerry the mouse across...
011 (part 1 of 2) 10.0 points Tom the cat is chasing Jerry the mouse across a table surface 0.6 m off the floor. Jerry steps out of the way at the last second, and Tom slides off the edge of the table at a speed of 6.3 m/s. Where will Tom strike the floor? The ac- celeration of gravity is 9.8 m/s2 Answer in units of m. /tmp/1198965-1547040323181 X quest.cns.utexas.edu images/problem pdf?instance-courseuserassignment 012 (part 2 of 2) 10.0 points...
Problem 6.38 A projectile is fired at an upward angle of 40.0 degree from the top...
Problem 6.38 A projectile is fired at an upward angle of 40.0 degree from the top of a 245-m cliff with a speed of 235m/s. Part A What will be its speed when it strikes the ground below? (Use conservation of energy.) V =m/s
1. A projectile is fired straight upward at 170 m/s near the surface of Planet X, which has no atmosphere and where the acceleration due to gravity is g = 5 m/s2. (a) What is the acceleration of the projectile halfway to the top of its trajectory? [1] (b) Is the projectile in equilibrium at the top of its trajectory? Explain. [1.5] (c) How fast is it moving at the instant it reaches the top of its trajectory? (0.5] (d)...
Answer in units of m/s. Fo tic av 012 10.0 points An object is thrown vertically up and attains an upward velocity of 50 m/s when it reaches one fourth of its maximum height above its launch point. What was the initial speed of the object? The acceleration of gravity is 9.8 m/s. Answer in units of m/s 013 10.0 points A rock is thrown downward from an unknown height above the ground with an initial speed of 13 m/s....
013 (part 1 of 4) 10.0 points You throw a softball (of mass 200 g) straight up into the air. It reaches a maximum altitude of 13.9 m and then returns to you What is the gravitational potential energy of the soft ball at its highest position? Assume the ball departed from and returned to ground level. Answer in units of J. 014 (part 2 of 4) 10.0 points Assume no energy is lost by the softball while it is...
ent 38228286 a e WITHDRAWN 027 (part 1 of 2) 10.0 points A ball thrown vertically upward is caught by the thrower after 1.93 s. Find the initial velocity of the ball. The acceleration of gravity is 9.8 m/s2 Answer in units of m/s. 028 (part 2 of 2) 10.0 points Find the maximum height it reaches. Answer in units of m. 029 10.0 points A car enters the freeway with a speed of 6.9 m/s and accelerates uniformly for...
mp/1198965-154704032318 015 (part 1 of 2) 10.0 points The speed of an arrow fired from a compound bow is about 23 m/s. An archer sits astride his horse and launches an arrow into the air elevating the bow at an angle of 49° above the horizontal and 1.7 m above the ground. 1.7 m range What is the arrow's range? The acceler- ation of gravity is 9.81 m/s. Assume the ground is leveland ignore air resistance. Answer in units of...
012 (part 1 of 4) 10.0 points A massless spring with force
constant 277 N/m is fastened at its left end to a vertical wall, as
shown below. The acceleration of gravity is 9.8 m/s 2 . Initially,
the 8 kg block and 3 kg block rest on a horizontal surface with the
8 kg block in contact with the spring (but not compressing it) and
with the 3 kg block in contact with the 8 kg block. The 8...
012 (part 1 of 2) 10.0 points A cylinder with a(n) 1.9 cm radius and a length of 6.1 m is tightly wrapped with 2900 turns of wire. The current in the wire is decaying according tol-loe-at, with lo = 0.59 A and a-1.9 s-1 What is the electric field at a point 8.6 cm radially from the axis of the cylinder at t- 1.05263 s? Answer in units of V/m. 013 (part 2 of 2) 10.0 points A coil...
8. A projectile is fired from the origin in a straight line towards a rectangular target and hits it perpendicularly 2 seconds later. The vertices of the rectangle are (50,100,275), (100, 0, 275), (200,50, 150), and (150, 150, 150), where units are in meters. (a) At what point did the projectile hit the rectangle? (b) The projectile was trying to hit the center of the target. How accurate was it? (c) Assuming the projectile was moving at a constant speed,...
011 (part 1 of 2) 10.0 points Tom the cat is chasing Jerry the mouse across a table surface 0.6 m off the floor. Jerry steps out of the way at the last second, and Tom slides off the edge of the table at a speed of 6.3 m/s. Where will Tom strike the floor? The ac- celeration of gravity is 9.8 m/s2 Answer in units of m. /tmp/1198965-1547040323181 X quest.cns.utexas.edu images/problem pdf?instance-courseuserassignment 012 (part 2 of 2) 10.0 points...
Problem 6.38 A projectile is fired at an upward angle of 40.0 degree from the top of a 245-m cliff with a speed of 235m/s. Part A What will be its speed when it strikes the ground below? (Use conservation of energy.) V =m/s
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