Large birds like pheasants often walk short distances. Small birds like chickadees never walk. They either hop or fly. Why might this be?

Q: 25. A cart loaded with sand slides forward along a horizontal frictionless track. As the cart moves,…

A: Here is the solution:A. Constant and in the forward direction:This assumes the cart constantly gains…

Q: A rock is kicked horizontally at a speed of 16 m/s from the edge of a cliff. The rock strikes the…

A:

Q: Two motorcycles are at rest and separated by 7.5 m. They start at the same time in the same…

A: Initial velocity of each motorcycle (u) = 0 msacceleration of the motorcycle at the back (a1) = 1…

Q: A Deadly Virus. On your flight out of South America your cargo plane emergency-lands on a deserted…

A: Given:  Vertical acceleration = 7.2 g Horizontal initial speed  = u = 150 mph Horizontal stopping…

Q: A person drags a sled across a frozen lake to town. The surface of the lake is quite smooth and…

A:

Q: 19. Archie initially pushed up a crate along a plane which is inclined at 20 degrees from the…

A:

Q: A car traveling at 20 m/s runs out of gas while traveling up a 9.0 slope. Part A How far will it…

A: Please see the answer below

Q: In 1992, a 14 kg meteorite struck a car in Peekskill, NY, leaving a 20-cm-deep dent in the trunk.…

A: The specific equation of motion you use depends on the nature of the motion and the forces involved.…

Q: A cat chases a mouse across a 1.6 m high table. The mouse steps out of the way, and the cat slides…

A: Given data:  Height of table (h) = 1.6 m Cat slides off the table  Horizontal displacement (d) = 1.2…

Q: 9, projected at an angle of 30° s, what is the maximum height

A:

Q: A pencil falls from the edge of a desk and reaches the ground in 0.35 seconds. How many meters high…

A: Given data The time is t=0.35 s The acceleration due to gravity is g=9.8 m/s2   The equation of…

Q: If you were to drop a rock from a tall building, assuming that it had not yet hit the ground, and…

A: Vertical displacement after t=6 s

Q: Two people are sitting on playground swings. One is pulled back 4 degrees from the vertical and the…

A:

Q: A proton initially has v = 3.0i – 9.0 j + 2.0k and then 4.0 s later has v = -9.0i – 9.0j + 3.0k (in…

A:

Q: A high-powered spring cannon discharges its ball at 16.6 m/s. If the cannon is fired at an elevation…

A: The initial velocity of the canon is v=16.6 m/s The cannon is fired at an angle θ=77° Assume the…

Q: A friend claims that her car can accelerate from a stop to 60 mi/h (26.8 m/s) in 7.5 s, but the…

A:

Q: 1110 km, 10- hour flight was travelled at 2 speeds. For the first part of the trip. The average…

A: Distance = speed × time

Q: A woman runs 100 meters north, and then 70 meters south, her total displacement is 30 m south 30 m…

A: Consider the positive y axis to be North and the negative y axis to SouthDisplacement in north…

Q: A car moving along a straight horizontal road accelerates fromn a speed of 10 m/s to a speed of 30…

A: Solution: given that u = 10 m/s v = 30 m/s distance s = 133 m

Q: A girl throws a softball straight up on the air. Calculate the maximum height that the ball can…

A: In This question it is given that a girl throws software was up in the air  How to calculate the…

Q: The position of a cart is given by = 1.8 t² î - 3.3 tĵ+ 4.9 k. Determine the instantaneous velocity…

A: The rate of change in displacement (s) is referred to as velocity (v). v = ds/dt The rate of change…

Q: Problem 2: A 5.4 x 105 kg locomotive is brought to a halt from a speed of 0.85 m/s in 0.33 m by a…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A rock is thrown upward at a speed of 10.7ms. How high will it rise?

A:

Q: You are standing on your balcony in an apartment building. You tossed a coin straight upwards at 4…

A:

Q: School bus drivers are extra careful when they cross railroad tracks. They stop before they cross…

A:

Q: A small block slides down a frictionless track whose shape is described by y = (x^2) /d for x0. The…

A:

Q: 3. A box slides down a ramp with a steady forward acceleration of a = +0.9 m/s?. What describes its…

A: Given Forward acceleration is a=0.9 m/s^2

Q: A 5kg ball is thrown straight into the air at 5 m/s. How high does it travel?

A: Given data :                  Mass of the ball, m = 5 kg                  Initial speed of the ball…

Q: At an accident scene on a level road, investigators measure a car's skid mark to be 75 m long. It…

A:

Q: Consider a model cart on a roller-coaster track as shown below. The cart rolls down from rest at the…

A: Step 1 :The principle of energy conservation states that the total amount of energy in a closed…

Q: A parachutist drops freely from an aeroplane for 10 s before the parachute opens out. Then he…

A:

Q: A ski that is placed on snow will stick to the snow. However, when the ski is moved along the snow,…

A: The equation of motion is given by,

Q: A girl flying a kite holds the string 50 cm above the ground level and lets the string out at a…

A: Given, dzdt=4cm/sx=500 cmz=1300 cm

Q: A ball is thrown upward from the ground with  initial velocity vi= 14 m/s and reaches height of h…

A: Given data: initial velocity vi= 14 m/s  Write the expression for the maximum height h. vf2=vi2+2ah…

Q: An object of mass 380 kg is sliding on a track. From A to B, the track is frictionless. From B to C…

A:

Q: When the object is thrown upward the final velocity at the maximum height is equal to O initial…

A: Given: The motion of the vertical upward. The final position of the object at maximum height.

Q: A van travels along a straight road with a speed described by the graph. Plot the s-t and a-t graphs…

A: It is given that,                         A van travels along a straight road with a speed described…

Q: You throw a baseball straight upward with speed v0. When the ball returns to the point from where…

A: Gravitational force is one of the conservative forces. If air resistance is absent, then only…

Q: A child throws a ball with a velocity of 1.93 m/s [horizontally] at a height of 0.75 m.  If air…

A: The initial horizontal speed of the ball is ux = 1.93 m/s The initial vertical speed of the ball is…

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –