While launching a rocket of mass 2×104 kg, a force of 5×105 N is applied for 20s. Calculate the velocity attained by the rockets at the end of 20s. a) 3.6m/s b) 300m/s c) 120m/s d) 500m/s
Q: The 50-kg block A is released from rest. (Figure 1) Figure Part A B A Determine the velocity of the…
A:
Q: Two objects one having three times the mass of the other, are dropped from the same height in a…
A:
Q: A basebait player exerts a force of 80N on a ball for a distance of 0.3m as he throws it. If the…
A:
Q: 30. Which of the following provides a correct answer for a problem that can be solved using the…
A: Given: List of problems that can be solved using kinematics.
Q: A 2000 kg car, taveling to the right at 30 m/s, collides with a brick wall and comes to a rest in…
A: Given data The mass of the car is m = 2000 kg. The initial velocity of the car is u = 30 m/s. The…
Q: Two students stand face-to-face, then push each other away. One student has a mass of 90.0kg; the…
A: Given, m1= 90kg m2= 60kg Initial velocities of both objects are 0. Final velocity of m1 is v1. Final…
Q: Falling body When an object falling from rest encoun- ters air resistance proportional to the square…
A: The distance falling by an object is given as, d(t) = mklncoshkgmt m is the mass of the object, g is…
Q: A light cart, moving to the right and a heavy cart, moving to the left at the same speed, collide…
A: Say carts are A and B and moving as shown below: Say velocity before collision is v and after the…
Q: QUESTION 3 A sled sits at the top of an icy hill that is 20 m tall. What is (the magnitude of) the…
A: Given Height of hill (h) = 20 m Let , mass oh sled is ' m ' and velocity at bottom is 'v' When…
Q: Using the pulley system in the figure, determine the velocity of B if the velocity of A is 1.5 [m/s]…
A:
Q: 25 m v-19 m/s Range
A:
Q: True or False: "The action and reaction forces are equal in magnitude, opposite in direction and act…
A: The Newton's third law of motion states that : "When two objects are having a force interaction…
Q: 4) The bodies shown are moving towards each other with velocities indicated. e =0.7. Determine the…
A: We apply conservation of momentum to solve the problem
Q: The driver of a 1000 kg car travelling at 30 m/s slams on its brakes. If the force of friction is…
A: Given that, The mass of a car, m = 1000 kg The initial speed of a car, u = 30 m/s Then the car…
Q: alm/s/s) 25.0 20.0 15.0 10.0 5.0 1.0 2.0 3.0 4.0 5.0 t(s)
A: We know that the area under the acceleration time graph is change in velocity.
Q: (c) supero If protons and electrons are à, and 2 d, (a) 2g > d, (b) ^. , <2. (d)
A:
Q: Block of mass m=50 g, slide down on inclined plane with angle 0 is the acceleration of the object:…
A: Given: The mass of the block is 50 g. The angle of inclination is 60 degrees.
Q: When a mass M experiences a velocity change of v in a time of t, it experiences a force of F.…
A:
Q: A small car crashes into a large SUV in a head-on collision. The car speed before the collision is…
A: Given: A small car collides(head-on collision) with the SUV Also, speed of car = speed of SUV/2
Q: Three identical balls are thrown with the same speed. Ball A is thrown vertically upward, ball B is…
A: Given Three identical balls are thrown with the same speed i.e vA = vB = vc Ball A is thrown…
Q: What is the escape velocity of the rocket in the earth is? A) 12.2 km/sec B) 10.2 km/sec C) 13.2…
A: The minimum velocity with which the object is projected from the earth surface, so that it never…
Q: A 320-lb object is released from rest 400 ft above the ground and allowed to fall under the…
A: Introduction Air resistance:- Air resistance is a force that acts against an object when it moves…
Q: A car is travelling with a velocity of 108 km/h. The brakes are applied at a rate of -0.6 m/s.…
A:
Q: 9. If you drop a 4.3 kg rock off the top of a building that is 187 m high, how long will it take to…
A:
Q: calculate the velocity at the bottom of the first hill.
A: Total energy of a system remains constant. Total energy; E=K+Uwhere,K=12mv2U=mghhence,E=12mv2+mgh…
Q: Q2) Determine the reactions at support A. ( 20 KN 10 KN 5 KN.m 20 KN
A: Answer..
Q: How much heat is required to heat 10.0 g of liquid isobutane at -25°C to 23°C? The specific heat of…
A: Solution:-Given thatmass of isobutane (m)=10 gInitial temperature (T1)=-25°CFinal temperature…
Q: Hector went to the grocery store by heading due north at 3 m/s, then turning east and continuing at…
A: Answer is (d) Hector's velocity changed because his direction changed .
Q: 1. Calculate PE, KE, and TE for all points in both trials.
A: Given,Mass of the ball, m = 0.15 kg1) At point 1,height, h1= 0.0454 mvelocity, v1= 1.733…
Q: When considering relative velocity, which of the following scenarios would result in a runner being…
A: A tail wind is a wind that flows in the direction of travel of object . A head wind is the wind that…
Q: Here the teacher said to get vx(t) we need to integrate the equation above it and to get x(t) we…
A:
Q: A planet of mass 6 x 1024 kg is at location m. A star of mass 9 x 1030 kg is at location m. What…
A:
Q: The value of g on the moon is 1/6th of the value of g on the earth. If a man can jump 1.5 m high on…
A: The initial velocity of the man can be obtained as 2as=v2-u22-9.8m/s21.5m=0m/s2-u2u=5.42m/s
Q: Blocks A and B are in masses of 5 kg and 40 kg, respectively. In the beginning, the blocks stand…
A: Given data: Mass of A is mA=5 kg. Mass of B is mB=40 kg. Coefficient of friction is μ=0.6.
Q: According to the third law of motion, the action and reaction. . Select one: O a. act on either body…
A:
Q: A raw egg with a mass of .07 kg is dropped without a protective device from 3 heights: a) 1 meter…
A:
Q: the mass
A:
Q: Block of mass m-50 g, slide down on inclined plane with angle 0 30what is the acceleration of the…
A: Acceleration(a) of the object. given, massm=50 gangleθ=30o
Q: how to find initial speed?
A:
Q: Determine the velocity of the 79-lb block A if the two blocks are released from rest and the 38-lb…
A: Given: The mass of block A is 79 lb. The mass of block B is 38 lb. The distance moved by the block B…
Q: A boat moves at a speed of 20 m / s when the water is at rest. The boat needs to make a round trip…
A:
While launching a rocket of mass 2×104 kg, a force of 5×105 N is applied for 20s. Calculate the velocity attained by the rockets at the end of 20s.
a) 3.6m/s
b) 300m/s
c) 120m/s
d) 500m/s
Step by step
Solved in 2 steps